13112335400 has 48 divisors (see below), whose sum is σ = 30553102140. Its totient is φ = 5233420800.

The previous prime is 13112335387. The next prime is 13112335417. The reversal of 13112335400 is 453321131.

It can be written as a sum of positive squares in 6 ways, for example, as 9580885924 + 3531449476 = 97882^2 + 59426^2 .

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, 19670 + ... + 163130.

Almost surely, 2^13112335400 is an apocalyptic number.

13112335400 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 13112335400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15276551070).

13112335400 is an abundant number, since it is smaller than the sum of its proper divisors (17440766740).

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

13112335400 is a wasteful number, since it uses less digits than its factorization.

13112335400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143934 (or 143925 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13112335400 its reverse (453321131), we get a palindrome (13565656531).

The spelling of 13112335400 in words is "thirteen billion, one hundred twelve million, three hundred thirty-five thousand, four hundred".