12513887625 has 16 divisors (see below), whose sum is σ = 20823109632. Its totient is φ = 6674073200.

The previous prime is 12513887593. The next prime is 12513887641. The reversal of 12513887625 is 52678831521.

12513887625 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 12513887625 - 2⁵ = 12513887593 is a prime.

It is a super-2 number, since 2×12513887625² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16684809 + ... + 16685558.

It is an arithmetic number, because the mean of its divisors is an integer number (1301444352).

Almost surely, 2^12513887625 is an apocalyptic number.

12513887625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12513887625 is a deficient number, since it is larger than the sum of its proper divisors (8309222007).

12513887625 is an equidigital number, since it uses as much as digits as its factorization.

12513887625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33370385 (or 33370375 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The spelling of 12513887625 in words is "twelve billion, five hundred thirteen million, eight hundred eighty-seven thousand, six hundred twenty-five".