13294557952 has 36 divisors (see below), whose sum is σ = 28578513040. Its totient is φ = 6135948288.

The previous prime is 13294557937. The next prime is 13294557961. The reversal of 13294557952 is 25975549231.

It is a happy number.

It is a super-2 number, since 2×13294557952² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 13294557952.

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, 1994052 + ... + 2000707.

Almost surely, 2^13294557952 is an apocalyptic number.

It is an amenable number.

13294557952 is an abundant number, since it is smaller than the sum of its proper divisors (15283955088).

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

13294557952 is an equidigital number, since it uses as much as digits as its factorization.

13294557952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994788 (or 3994774 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 52.

The spelling of 13294557952 in words is "thirteen billion, two hundred ninety-four million, five hundred fifty-seven thousand, nine hundred fifty-two".