113305872 has 20 divisors (see below), whose sum is σ = 292706960. Its totient is φ = 37768608.

The previous prime is 113305849. The next prime is 113305879. The reversal of 113305872 is 278503311.

It is not an unprimeable number, because it can be changed into a prime (113305879) 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, 1180222 + ... + 1180317.

It is an arithmetic number, because the mean of its divisors is an integer number (14635348).

Almost surely, 2^113305872 is an apocalyptic number.

113305872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113305872 is an abundant number, since it is smaller than the sum of its proper divisors (179401088).

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

113305872 is a wasteful number, since it uses less digits than its factorization.

113305872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2360550 (or 2360544 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 113305872 is about 10644.5230987583. The cubic root of 113305872 is about 483.8946336216.

The spelling of 113305872 in words is "one hundred thirteen million, three hundred five thousand, eight hundred seventy-two".