13133112 has 32 divisors (see below), whose sum is σ = 34765200. Its totient is φ = 4120064.

The previous prime is 13133111. The next prime is 13133147. The reversal of 13133112 is 21133131.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13133091 and 13133100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15687 + ... + 16502.

Almost surely, 2^13133112 is an apocalyptic number.

13133112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133112 is an abundant number, since it is smaller than the sum of its proper divisors (21632088).

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

13133112 is a wasteful number, since it uses less digits than its factorization.

13133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32215 (or 32211 counting only the distinct ones).

The product of its digits is 54, while the sum is 15.

The square root of 13133112 is about 3623.9635759759. The cubic root of 13133112 is about 235.9332857484.

Adding to 13133112 its reverse (21133131), we get a palindrome (34266243).

The spelling of 13133112 in words is "thirteen million, one hundred thirty-three thousand, one hundred twelve".