13387917132 has 36 divisors (see below), whose sum is σ = 33845445816. Its totient is φ = 4462142400.

The previous prime is 13387917131. The next prime is 13387917149. The reversal of 13387917132 is 23171978331.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13387917131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460632 + ... + 488832.

Almost surely, 2^13387917132 is an apocalyptic number.

13387917132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13387917132 is an abundant number, since it is smaller than the sum of its proper divisors (20457528684).

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

13387917132 is a wasteful number, since it uses less digits than its factorization.

13387917132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41398 (or 41393 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The spelling of 13387917132 in words is "thirteen billion, three hundred eighty-seven million, nine hundred seventeen thousand, one hundred thirty-two".