12604425 has 24 divisors (see below), whose sum is σ = 21352800. Its totient is φ = 6556800.

The previous prime is 12604421. The next prime is 12604439. The reversal of 12604425 is 52440621.

It is not a de Polignac number, because 12604425 - 2² = 12604421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12604395 and 12604404.

It is not an unprimeable number, because it can be changed into a prime (12604421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026 + ... + 5124.

It is an arithmetic number, because the mean of its divisors is an integer number (889700).

Almost surely, 2^12604425 is an apocalyptic number.

12604425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12604425 is a deficient number, since it is larger than the sum of its proper divisors (8748375).

12604425 is a wasteful number, since it uses less digits than its factorization.

12604425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12604425 is about 3550.2711164079. The cubic root of 12604425 is about 232.7239142425.

The spelling of 12604425 in words is "twelve million, six hundred four thousand, four hundred twenty-five".