13213524056 has 16 divisors (see below), whose sum is σ = 24777271440. Its totient is φ = 6606251680.

The previous prime is 13213524029. The next prime is 13213524061. The reversal of 13213524056 is 65042531231.

It is a happy number.

It is a super-2 number, since 2×13213524056² (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 3 ways as a sum of consecutive naturals, for example, 60485 + ... + 173451.

It is an arithmetic number, because the mean of its divisors is an integer number (1548579465).

Almost surely, 2^13213524056 is an apocalyptic number.

It is an amenable number.

13213524056 is a deficient number, since it is larger than the sum of its proper divisors (11563747384).

13213524056 is a wasteful number, since it uses less digits than its factorization.

13213524056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127594 (or 127590 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 13213524056 in words is "thirteen billion, two hundred thirteen million, five hundred twenty-four thousand, fifty-six".