113212992 has 112 divisors (see below), whose sum is σ = 323039232. Its totient is φ = 34890240.

The previous prime is 113212991. The next prime is 113212997. The reversal of 113212992 is 299212311.

It is not an unprimeable number, because it can be changed into a prime (113212991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136483 + ... + 137309.

Almost surely, 2^113212992 is an apocalyptic number.

113212992 is a gapful number since it is divisible by the number (12) 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 113212992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161519616).

113212992 is an abundant number, since it is smaller than the sum of its proper divisors (209826240).

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

113212992 is a wasteful number, since it uses less digits than its factorization.

113212992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 886 counting only the distinct ones).

The product of its digits is 1944, while the sum is 30.

The square root of 113212992 is about 10640.1593973023. The cubic root of 113212992 is about 483.7623768108.

The spelling of 113212992 in words is "one hundred thirteen million, two hundred twelve thousand, nine hundred ninety-two".