12913936 has 20 divisors (see below), whose sum is σ = 28595392. Its totient is φ = 5534496.

The previous prime is 12913933. The next prime is 12913969. The reversal of 12913936 is 63931921.

It is not an unprimeable number, because it can be changed into a prime (12913933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57540 + ... + 57763.

Almost surely, 2^12913936 is an apocalyptic number.

12913936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12913936 is an abundant number, since it is smaller than the sum of its proper divisors (15681456).

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

12913936 is a wasteful number, since it uses less digits than its factorization.

12913936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115318 (or 115312 counting only the distinct ones).

The product of its digits is 8748, while the sum is 34.

The square root of 12913936 is about 3593.5965271577. The cubic root of 12913936 is about 234.6134341778.

The spelling of 12913936 in words is "twelve million, nine hundred thirteen thousand, nine hundred thirty-six".