You could write 'noviembre 12-16' or 'del 12 hasta el 16 de noviembre' (From 12th to 16th of November) If you wanted the numbers in words: 12 = doce 16 = dieciseis
If you mean 16,000 then that would be written out like this sixteen thousand.
You can write it as "13/16 in".
They were each inspired by God (see 2 Timothy 3:16-17) and usually had a scribe write down their words.
Usually you don't write integers as a fraction. If you need a fraction (mainly, to exchange numerator and denominator, for converting a division to a multiplication), you can put "1" in the denominator. In other words, just write it (in this case) as -16/1.
16 in number words = sixteen