13931112 has 32 divisors (see below), whose sum is σ = 37507680. Its totient is φ = 4286400.

The previous prime is 13931111. The next prime is 13931117. The reversal of 13931112 is 21113931.

It is not an unprimeable number, because it can be changed into a prime (13931111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22014 + ... + 22637.

It is an arithmetic number, because the mean of its divisors is an integer number (1172115).

Almost surely, 2^13931112 is an apocalyptic number.

13931112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13931112 is an abundant number, since it is smaller than the sum of its proper divisors (23576568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13931112 is a wasteful number, since it uses less digits than its factorization.

13931112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44673 (or 44669 counting only the distinct ones).

The product of its digits is 162, while the sum is 21.

The square root of 13931112 is about 3732.4404884740. The cubic root of 13931112 is about 240.6182670180.

The spelling of 13931112 in words is "thirteen million, nine hundred thirty-one thousand, one hundred twelve".