'Twelve' in the Bible

And they arose and went over by number, twelve for Benjamin, and for Ishbosheth the son of Saul, and twelve of the servants of David.

And the children of Ammon saw that they had made themselves odious to David; and the children of Ammon sent and hired the Syrians of Beth-Rehob, and the Syrians of Zoba, twenty thousand footmen, and the king of Maacah with a thousand men, and the men of Tob twelve thousand men.

And Ahithophel said to Absalom, Let me, I pray, choose out twelve thousand men, and I will arise and pursue after David to-night;