13252743520 has 96 divisors (see below), whose sum is σ = 32731376832. Its totient is φ = 5061230592.

The previous prime is 13252743481. The next prime is 13252743557. The reversal of 13252743520 is 2534725231.

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, 2179204 + ... + 2185276.

It is an arithmetic number, because the mean of its divisors is an integer number (340951842).

Almost surely, 2^13252743520 is an apocalyptic number.

13252743520 is a gapful number since it is divisible by the number (10) 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 13252743520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16365688416).

13252743520 is an abundant number, since it is smaller than the sum of its proper divisors (19478633312).

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

13252743520 is a wasteful number, since it uses less digits than its factorization.

13252743520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6704 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 13252743520 in words is "thirteen billion, two hundred fifty-two million, seven hundred forty-three thousand, five hundred twenty".