'Twelve' in the Bible

These are those who were numbered, whom Moses and Aaron numbered, and the princes of Israel, being twelve men: they were each one for his fathers' house.

and they brought their offering before Yahweh, six covered wagons, and twelve oxen; a wagon for every two of the princes, and for each one an ox: and they presented them before the tabernacle.

This was the dedication of the altar, on the day when it was anointed, by the princes of Israel: twelve silver platters, twelve silver bowls, twelve golden ladles;

the twelve golden ladles, full of incense, weighing ten shekels apiece, after the shekel of the sanctuary; all the gold of the ladles weighed one hundred twenty shekels;

all the cattle for the burnt offering twelve bulls, the rams twelve, the male lambs a year old twelve, and their meal offering; and the male goats for a sin offering twelve;

"Speak to the children of Israel, and take of them rods, one for each fathers' house, of all their princes according to their fathers' houses, twelve rods: write every man's name on his rod.

Moses spoke to the children of Israel; and all their princes gave him rods, for each prince one, according to their fathers' houses, even twelve rods: and the rod of Aaron was among their rods.

"'On the second day [you shall offer] twelve young bulls, two rams, fourteen male lambs a year old without blemish;

So there were delivered, out of the thousands of Israel, a thousand of every tribe, twelve thousand armed for war.

They traveled from Marah, and came to Elim: and in Elim were twelve springs of water, and seventy palm trees; and they encamped there.