13008172536 has 32 divisors (see below), whose sum is σ = 36133813200. Its totient is φ = 4336057440.

The previous prime is 13008172417. The next prime is 13008172571. The reversal of 13008172536 is 63527180031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13008172536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30111295 + ... + 30111726.

Almost surely, 2^13008172536 is an apocalyptic number.

It is an amenable number.

13008172536 is an abundant number, since it is smaller than the sum of its proper divisors (23125640664).

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

13008172536 is a wasteful number, since it uses less digits than its factorization.

13008172536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60223036 (or 60223026 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 13008172536 in words is "thirteen billion, eight million, one hundred seventy-two thousand, five hundred thirty-six".