12604312 has 16 divisors (see below), whose sum is σ = 27009360. Its totient is φ = 5401824.

The previous prime is 12604303. The next prime is 12604313. The reversal of 12604312 is 21340621.

It is a self number, because there is not a number n which added to its sum of digits gives 12604312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604313) 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, 112483 + ... + 112594.

It is an arithmetic number, because the mean of its divisors is an integer number (1688085).

Almost surely, 2^12604312 is an apocalyptic number.

It is an amenable number.

12604312 is an abundant number, since it is smaller than the sum of its proper divisors (14405048).

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

12604312 is a wasteful number, since it uses less digits than its factorization.

12604312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225090 (or 225086 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12604312 is about 3550.2552020946. The cubic root of 12604312 is about 232.7232187756.

Adding to 12604312 its reverse (21340621), we get a palindrome (33944933).

The spelling of 12604312 in words is "twelve million, six hundred four thousand, three hundred twelve".