12631025 has 24 divisors (see below), whose sum is σ = 17838144. Its totient is φ = 8782400.

The previous prime is 12631019. The next prime is 12631057. The reversal of 12631025 is 52013621.

It is not a de Polignac number, because 12631025 - 2⁸ = 12630769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12630988 and 12631006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5327 + ... + 7323.

It is an arithmetic number, because the mean of its divisors is an integer number (743256).

Almost surely, 2^12631025 is an apocalyptic number.

It is an amenable number.

12631025 is a deficient number, since it is larger than the sum of its proper divisors (5207119).

12631025 is a wasteful number, since it uses less digits than its factorization.

12631025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12631025 is about 3554.0153348009. The cubic root of 12631025 is about 232.8875104001.

Adding to 12631025 its reverse (52013621), we get a palindrome (64644646).

The spelling of 12631025 in words is "twelve million, six hundred thirty-one thousand, twenty-five".