113252013 has 20 divisors (see below), whose sum is σ = 193348320. Its totient is φ = 64715112.

The previous prime is 113252003. The next prime is 113252033. The reversal of 113252013 is 310252311.

113252013 is a `hidden beast` number, since 1 + 132 + 520 + 13 = 666.

It is not a de Polignac number, because 113252013 - 2⁴ = 113251997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113252003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99303 + ... + 100436.

It is an arithmetic number, because the mean of its divisors is an integer number (9667416).

Almost surely, 2^113252013 is an apocalyptic number.

It is an amenable number.

113252013 is a deficient number, since it is larger than the sum of its proper divisors (80096307).

113252013 is an equidigital number, since it uses as much as digits as its factorization.

113252013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199758 (or 199749 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 113252013 is about 10641.9929054665. The cubic root of 113252013 is about 483.8179497123.

The spelling of 113252013 in words is "one hundred thirteen million, two hundred fifty-two thousand, thirteen".