13252943772 has 18 divisors (see below), whose sum is σ = 33500496848. Its totient is φ = 4417647912.

The previous prime is 13252943747. The next prime is 13252943801. The reversal of 13252943772 is 27734925231.

13252943772 is a `hidden beast` number, since 1 + 325 + 294 + 37 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184068628 + ... + 184068699.

Almost surely, 2^13252943772 is an apocalyptic number.

13252943772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13252943772 is an abundant number, since it is smaller than the sum of its proper divisors (20247553076).

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

13252943772 is a wasteful number, since it uses less digits than its factorization.

13252943772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368137337 (or 368137332 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 13252943772 in words is "thirteen billion, two hundred fifty-two million, nine hundred forty-three thousand, seven hundred seventy-two".