Once more the 1852 LDS edition accidentally created an error in the first printing of that edition. Clearly, the 1852 typesetter was having some difficulty in following his copy-text for this short portion of the text (verses 11–13). Here in verse 13, he accidentally replaced “children of men” with “children of man”. This obvious error was corrected in the second printing of the 1852 edition. Elsewhere, the text permits only “children of men” (131 occurrences).
Summary: Follow the earliest text in 2 Nephi 27:13, “the children of men”.