39913312 has 12 divisors (see below), whose sum is σ = 78579396. Its totient is φ = 19956640.

The previous prime is 39913301. The next prime is 39913327. The reversal of 39913312 is 21331993.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623614 + ... + 623677.

It is an arithmetic number, because the mean of its divisors is an integer number (6548283).

Almost surely, 2^39913312 is an apocalyptic number.

39913312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39913312 is a deficient number, since it is larger than the sum of its proper divisors (38666084).

39913312 is a wasteful number, since it uses less digits than its factorization.

39913312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247301 (or 1247293 counting only the distinct ones).

The product of its digits is 4374, while the sum is 31.

The square root of 39913312 is about 6317.6983150511. The cubic root of 39913312 is about 341.7479533212.

The spelling of 39913312 in words is "thirty-nine million, nine hundred thirteen thousand, three hundred twelve".