13011645252 has 48 divisors (see below), whose sum is σ = 32006725632. Its totient is φ = 4107995040.

The previous prime is 13011645223. The next prime is 13011645253. The reversal of 13011645252 is 25254611031.

13011645252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13011645253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354618 + ... + 389585.

It is an arithmetic number, because the mean of its divisors is an integer number (666806784).

Almost surely, 2^13011645252 is an apocalyptic number.

13011645252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13011645252 is an abundant number, since it is smaller than the sum of its proper divisors (18995080380).

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

13011645252 is a wasteful number, since it uses less digits than its factorization.

13011645252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744288 (or 744286 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 13011645252 in words is "thirteen billion, eleven million, six hundred forty-five thousand, two hundred fifty-two".