13072545400 has 48 divisors (see below), whose sum is σ = 30967158600. Its totient is φ = 5130353280.

The previous prime is 13072545391. The next prime is 13072545419. The reversal of 13072545400 is 454527031.

It is a super-2 number, since 2×13072545400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606030 + ... + 627229.

Almost surely, 2^13072545400 is an apocalyptic number.

13072545400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13072545400 is an abundant number, since it is smaller than the sum of its proper divisors (17894613200).

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

13072545400 is a wasteful number, since it uses less digits than its factorization.

13072545400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233328 (or 1233319 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 13072545400 in words is "thirteen billion, seventy-two million, five hundred forty-five thousand, four hundred".