13512471917 has 24 divisors (see below), whose sum is σ = 16411896000. Its totient is φ = 11071870656.

The previous prime is 13512471911. The next prime is 13512471943. The reversal of 13512471917 is 71917421531.

It is not a de Polignac number, because 13512471917 - 2⁴ = 13512471901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512471911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2904209 + ... + 2908857.

It is an arithmetic number, because the mean of its divisors is an integer number (683829000).

Almost surely, 2^13512471917 is an apocalyptic number.

It is an amenable number.

13512471917 is a deficient number, since it is larger than the sum of its proper divisors (2899424083).

13512471917 is a wasteful number, since it uses less digits than its factorization.

13512471917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265 (or 7258 counting only the distinct ones).

The product of its digits is 52920, while the sum is 41.

The spelling of 13512471917 in words is "thirteen billion, five hundred twelve million, four hundred seventy-one thousand, nine hundred seventeen".