12913736 has 32 divisors (see below), whose sum is σ = 26563680. Its totient is φ = 5836800.

The previous prime is 12913709. The next prime is 12913739. The reversal of 12913736 is 63731921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12913739) 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, 22331 + ... + 22901.

It is an arithmetic number, because the mean of its divisors is an integer number (830115).

Almost surely, 2^12913736 is an apocalyptic number.

It is an amenable number.

12913736 is an abundant number, since it is smaller than the sum of its proper divisors (13649944).

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

12913736 is a wasteful number, since it uses less digits than its factorization.

12913736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845 (or 841 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 12913736 is about 3593.5686997746. The cubic root of 12913736 is about 234.6122230074.

The spelling of 12913736 in words is "twelve million, nine hundred thirteen thousand, seven hundred thirty-six".