'Twelve' in the Bible

And they rise and pass over, in number twelve of Benjamin, even of Ish-Bosheth son of Saul, and twelve of the servants of David.

And the Bene-Ammon see that they have been abhorred by David, and the Bene-Ammon send and hire Aram of Beth-Rehob, and Aram of Zoba, twenty thousand footmen, and the king of Maacah with a thousand men, and Ish-Tob with twelve thousand men;

And Ahithophel said unto Absalom, 'Let me choose, I pray thee, twelve thousand men, and I arise and pursue after David to-night,