12513717108 has 48 divisors (see below), whose sum is σ = 32833872960. Its totient is φ = 4120980192.

The previous prime is 12513717103. The next prime is 12513717109. The reversal of 12513717108 is 80171731521.

12513717108 is a `hidden beast` number, since 1 + 2 + 513 + 71 + 71 + 0 + 8 = 666.

12513717108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513717103) 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 15 ways as a sum of consecutive naturals, for example, 689035 + ... + 706962.

It is an arithmetic number, because the mean of its divisors is an integer number (684039020).

Almost surely, 2^12513717108 is an apocalyptic number.

12513717108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12513717108 is an abundant number, since it is smaller than the sum of its proper divisors (20320155852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12513717108 is a wasteful number, since it uses less digits than its factorization.

12513717108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396093 (or 1396085 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 36.

The spelling of 12513717108 in words is "twelve billion, five hundred thirteen million, seven hundred seventeen thousand, one hundred eight".