12637964 has 12 divisors (see below), whose sum is σ = 23280600. Its totient is φ = 5986368.

The previous prime is 12637957. The next prime is 12637967. The reversal of 12637964 is 46973621.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (12637967) 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, 83069 + ... + 83220.

It is an arithmetic number, because the mean of its divisors is an integer number (1940050).

Almost surely, 2^12637964 is an apocalyptic number.

It is an amenable number.

12637964 is a deficient number, since it is larger than the sum of its proper divisors (10642636).

12637964 is a wasteful number, since it uses less digits than its factorization.

12637964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166312 (or 166310 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 12637964 is about 3554.9914205241. The cubic root of 12637964 is about 232.9301490776.

The spelling of 12637964 in words is "twelve million, six hundred thirty-seven thousand, nine hundred sixty-four".