12604225 has 24 divisors (see below), whose sum is σ = 16927488. Its totient is φ = 9273600.

The previous prime is 12604223. The next prime is 12604231. The reversal of 12604225 is 52240621.

12604225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12604225 - 2¹ = 12604223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12604196 and 12604205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19660 + ... + 20290.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^12604225 is an apocalyptic number.

It is an amenable number.

12604225 is a deficient number, since it is larger than the sum of its proper divisors (4323263).

12604225 is a wasteful number, since it uses less digits than its factorization.

12604225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12604225 is about 3550.2429494332. The cubic root of 12604225 is about 232.7226833248.

Adding to 12604225 its reverse (52240621), we get a palindrome (64844846).

The spelling of 12604225 in words is "twelve million, six hundred four thousand, two hundred twenty-five".