13253732756 has 24 divisors (see below), whose sum is σ = 25448853024. Its totient is φ = 5989597280.

The previous prime is 13253732747. The next prime is 13253732771. The reversal of 13253732756 is 65723735231.

It is a super-2 number, since 2×13253732756² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862970 + ... + 878193.

It is an arithmetic number, because the mean of its divisors is an integer number (1060368876).

Almost surely, 2^13253732756 is an apocalyptic number.

It is an amenable number.

13253732756 is a deficient number, since it is larger than the sum of its proper divisors (12195120268).

13253732756 is a wasteful number, since it uses less digits than its factorization.

13253732756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741351 (or 1741349 counting only the distinct ones).

The product of its digits is 793800, while the sum is 44.

The spelling of 13253732756 in words is "thirteen billion, two hundred fifty-three million, seven hundred thirty-two thousand, seven hundred fifty-six".