12649604 has 12 divisors (see below), whose sum is σ = 24149328. Its totient is φ = 5749800.

The previous prime is 12649601. The next prime is 12649613. The reversal of 12649604 is 40694621.

It is a happy number.

12649604 is nontrivially palindromic in base 7.

12649604 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is not an unprimeable number, because it can be changed into a prime (12649601) 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, 143702 + ... + 143789.

It is an arithmetic number, because the mean of its divisors is an integer number (2012444).

Almost surely, 2^12649604 is an apocalyptic number.

It is an amenable number.

12649604 is a deficient number, since it is larger than the sum of its proper divisors (11499724).

12649604 is a wasteful number, since it uses less digits than its factorization.

12649604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287506 (or 287504 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 12649604 is about 3556.6281784859. The cubic root of 12649604 is about 233.0016393629.

The spelling of 12649604 in words is "twelve million, six hundred forty-nine thousand, six hundred four".