13120534632 has 32 divisors (see below), whose sum is σ = 32804179200. Its totient is φ = 4373132544.

The previous prime is 13120534561. The next prime is 13120534639. The reversal of 13120534632 is 23643502131.

It is a super-2 number, since 2×13120534632² (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 13120534632.

It is not an unprimeable number, because it can be changed into a prime (13120534639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463593 + ... + 491079.

It is an arithmetic number, because the mean of its divisors is an integer number (1025130600).

Almost surely, 2^13120534632 is an apocalyptic number.

13120534632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120534632 is an abundant number, since it is smaller than the sum of its proper divisors (19683644568).

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

13120534632 is a wasteful number, since it uses less digits than its factorization.

13120534632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47385 (or 47381 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 13120534632 in words is "thirteen billion, one hundred twenty million, five hundred thirty-four thousand, six hundred thirty-two".