13021132400 has 30 divisors (see below), whose sum is σ = 31283271552. Its totient is φ = 5208452800.

The previous prime is 13021132391. The next prime is 13021132429. The reversal of 13021132400 is 423112031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16276016 + ... + 16276815.

Almost surely, 2^13021132400 is an apocalyptic number.

13021132400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021132400 is an abundant number, since it is smaller than the sum of its proper divisors (18262139152).

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

13021132400 is a wasteful number, since it uses less digits than its factorization.

13021132400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32552849 (or 32552838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13021132400 its reverse (423112031), we get a palindrome (13444244431).

The spelling of 13021132400 in words is "thirteen billion, twenty-one million, one hundred thirty-two thousand, four hundred".