12513257625 has 32 divisors (see below), whose sum is σ = 22714982784. Its totient is φ = 6067032000.

The previous prime is 12513257623. The next prime is 12513257651. The reversal of 12513257625 is 52675231521.

12513257625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12513257625 - 2¹ = 12513257623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12513257623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1512634 + ... + 1520883.

It is an arithmetic number, because the mean of its divisors is an integer number (709843212).

Almost surely, 2^12513257625 is an apocalyptic number.

12513257625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12513257625 is a deficient number, since it is larger than the sum of its proper divisors (10201725159).

12513257625 is a wasteful number, since it uses less digits than its factorization.

12513257625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033546 (or 3033536 counting only the distinct ones).

The product of its digits is 126000, while the sum is 39.

The spelling of 12513257625 in words is "twelve billion, five hundred thirteen million, two hundred fifty-seven thousand, six hundred twenty-five".