all they. The number in Exodus 12:37 is not "exaggerated", as the number here had increased since then; moreover, the numbers here coincide with the numbers of the half-shekels, which had been contributed by them in Exodus 30:14 with Exodus 38:25; Exodus 38:26, before the tabernacle was set up. Compare Exodus 38:25 with Exodus 40:17.
Related Commentaries of Numbers 1:46
Numbers 1:46
46 Even all they that were numbered were six hundred thousand and three thousand and five hundred and fifty.