'Twelve' in the Bible
These were the men whom Moses and Aaron numbered along with the twelve leaders of Israel, each of whom was from his own family.
They brought their offering before the Lord, six covered carts and twelve oxen -- one cart for every two of the leaders, and an ox for each one; and they presented them in front of the tabernacle.
This was the dedication for the altar from the leaders of Israel, when it was anointed: twelve silver platters, twelve silver sprinkling bowls, and twelve gold pans.
The twelve gold pans full of incense weighed 10 shekels each, according to the sanctuary shekel; all the gold of the pans weighed 120 shekels.
"Speak to the Israelites, and receive from them a staff from each tribe, one from every tribal leader, twelve staffs; you must write each man's name on his staff.
So Moses spoke to the Israelites, and each of their leaders gave him a staff, one for each leader, according to their tribes -- twelve staffs; the staff of Aaron was among their staffs.
"'On the second day you must offer twelve young bulls, two rams, fourteen lambs one year old, all without blemish,
So a thousand from every tribe, twelve thousand armed for battle in all, were provided out of the thousands of Israel.
They traveled from Marah and came to Elim; in Elim there are twelve fountains of water and seventy palm trees, so they camped there.