113216772 has 12 divisors (see below), whose sum is σ = 264172496. Its totient is φ = 37738920.

The previous prime is 113216759. The next prime is 113216777. The reversal of 113216772 is 277612311.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (113216777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4717354 + ... + 4717377.

Almost surely, 2^113216772 is an apocalyptic number.

113216772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113216772 is an abundant number, since it is smaller than the sum of its proper divisors (150955724).

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

113216772 is a wasteful number, since it uses less digits than its factorization.

113216772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434738 (or 9434736 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 113216772 is about 10640.3370247375. The cubic root of 113216772 is about 483.7677607672.

The spelling of 113216772 in words is "one hundred thirteen million, two hundred sixteen thousand, seven hundred seventy-two".