113382621 has 24 divisors (see below), whose sum is σ = 180520704. Its totient is φ = 68002560.

The previous prime is 113382613. The next prime is 113382623. The reversal of 113382621 is 126283311.

It is a happy number.

113382621 is a `hidden beast` number, since 1 + 1 + 3 + 38 + 2 + 621 = 666.

It is not a de Polignac number, because 113382621 - 2³ = 113382613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113382623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3700 + ... + 15506.

It is an arithmetic number, because the mean of its divisors is an integer number (7521696).

Almost surely, 2^113382621 is an apocalyptic number.

113382621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113382621 is a deficient number, since it is larger than the sum of its proper divisors (67138083).

113382621 is a wasteful number, since it uses less digits than its factorization.

113382621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11921 (or 11918 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 113382621 is about 10648.1275818803. The cubic root of 113382621 is about 484.0038661099.

It can be divided in two parts, 113382 and 621, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 113382621 in words is "one hundred thirteen million, three hundred eighty-two thousand, six hundred twenty-one".