13013201232 has 160 divisors (see below), whose sum is σ = 40278672000. Its totient is φ = 4009098240.

The previous prime is 13013201207. The next prime is 13013201237. The reversal of 13013201232 is 23210231031.

13013201232 is a `hidden beast` number, since 1 + 301 + 320 + 12 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013201237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317194 + ... + 355862.

It is an arithmetic number, because the mean of its divisors is an integer number (251741700).

Almost surely, 2^13013201232 is an apocalyptic number.

13013201232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013201232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20139336000).

13013201232 is an abundant number, since it is smaller than the sum of its proper divisors (27265470768).

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

13013201232 is a wasteful number, since it uses less digits than its factorization.

13013201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38746 (or 38734 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13013201232 its reverse (23210231031), we get a palindrome (36223432263).

The spelling of 13013201232 in words is "thirteen billion, thirteen million, two hundred one thousand, two hundred thirty-two".