13521207832 has 64 divisors (see below), whose sum is σ = 27864000000. Its totient is φ = 6100174080.

The previous prime is 13521207829. The next prime is 13521207841. The reversal of 13521207832 is 23870212531.

It is a super-2 number, since 2×13521207832² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10489044 + ... + 10490332.

It is an arithmetic number, because the mean of its divisors is an integer number (435375000).

Almost surely, 2^13521207832 is an apocalyptic number.

It is an amenable number.

13521207832 is an abundant number, since it is smaller than the sum of its proper divisors (14342792168).

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

13521207832 is a wasteful number, since it uses less digits than its factorization.

13521207832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 13521207832 in words is "thirteen billion, five hundred twenty-one million, two hundred seven thousand, eight hundred thirty-two".