12988736725 has 12 divisors (see below), whose sum is σ = 16196016960. Its totient is φ = 10332935600.

The previous prime is 12988736713. The next prime is 12988736753. The reversal of 12988736725 is 52763788921.

It is a happy number.

It is not a de Polignac number, because 12988736725 - 2⁹ = 12988736213 is a prime.

It is a super-2 number, since 2×12988736725² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12988736725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1446781 + ... + 1455730.

It is an arithmetic number, because the mean of its divisors is an integer number (1349668080).

Almost surely, 2^12988736725 is an apocalyptic number.

It is an amenable number.

12988736725 is a deficient number, since it is larger than the sum of its proper divisors (3207280235).

12988736725 is a wasteful number, since it uses less digits than its factorization.

12988736725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902700 (or 2902695 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 58.

The spelling of 12988736725 in words is "twelve billion, nine hundred eighty-eight million, seven hundred thirty-six thousand, seven hundred twenty-five".