Anderson also was a big factor on the boards and on defense, coming up with nine rebounds and five steals.
McCallum's effort included six assists and five rebounds.
Detroit also was effective from 3-point range, converting 11 shots from beyond the arc.
Northern Michigan's shooting touch was off most of the night, hitting just a third of its shots from the field.
T.J. Cameron scored 20 points and grabbed eight rebounds to lead Northern Michigan.