'Twelve' in the Bible
Solomon gathered chariots and horsemen: and he had one thousand four hundred chariots, and twelve thousand horsemen, that he placed in the chariot cities, and with the king at Jerusalem.
It stood on twelve oxen, three looking toward the north, and three looking toward the west, and three looking toward the south, and three looking toward the east: and the sea was set on them above, and all their hinder parts were inward.
Twelve lions stood there on the one side and on the other on the six steps: there was nothing like it made in any kingdom.
Solomon had four thousand stalls for horses and chariots, and twelve thousand horsemen, that he stationed in the chariot cities, and with the king at Jerusalem.
with twelve hundred chariots, and sixty thousand horsemen. The people were without number who came with him out of Egypt: the Lubim, the Sukkiim, and the Ethiopians.
Manasseh was twelve years old when he began to reign; and he reigned fifty-five years in Jerusalem.