12604156 has 12 divisors (see below), whose sum is σ = 22084720. Its totient is φ = 6294240.

The previous prime is 12604099. The next prime is 12604159. The reversal of 12604156 is 65140621.

It is a self number, because there is not a number n which added to its sum of digits gives 12604156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121 + ... + 5911.

Almost surely, 2^12604156 is an apocalyptic number.

It is an amenable number.

12604156 is a deficient number, since it is larger than the sum of its proper divisors (9480564).

12604156 is a wasteful number, since it uses less digits than its factorization.

12604156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924 (or 3922 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12604156 is about 3550.2332317751. The cubic root of 12604156 is about 232.7222586551.

Adding to 12604156 its reverse (65140621), we get a palindrome (77744777).

The spelling of 12604156 in words is "twelve million, six hundred four thousand, one hundred fifty-six".