12604939 has 4 divisors (see below), whose sum is σ = 13346424. Its totient is φ = 11863456.

The previous prime is 12604931. The next prime is 12604957. The reversal of 12604939 is 93940621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12604939 - 2³ = 12604931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604931) 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, 370717 + ... + 370750.

It is an arithmetic number, because the mean of its divisors is an integer number (3336606).

Almost surely, 2^12604939 is an apocalyptic number.

12604939 is a deficient number, since it is larger than the sum of its proper divisors (741485).

12604939 is an equidigital number, since it uses as much as digits as its factorization.

12604939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741484.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12604939 is about 3550.3435045077. The cubic root of 12604939 is about 232.7270776412.

The spelling of 12604939 in words is "twelve million, six hundred four thousand, nine hundred thirty-nine".