113120013 has 8 divisors (see below), whose sum is σ = 150893568. Its totient is φ = 75379904.

The previous prime is 113120011. The next prime is 113120027. The reversal of 113120013 is 310021311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113120013 - 2¹ = 113120011 is a prime.

It is a super-2 number, since 2×113120013² = 25592274682240338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113120011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (18861696).

Almost surely, 2^113120013 is an apocalyptic number.

It is an amenable number.

113120013 is a deficient number, since it is larger than the sum of its proper divisors (37773555).

113120013 is a wasteful number, since it uses less digits than its factorization.

113120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16723.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 113120013 is about 10635.7892513908. The cubic root of 113120013 is about 483.6299065573.

Adding to 113120013 its reverse (310021311), we get a palindrome (423141324).

The spelling of 113120013 in words is "one hundred thirteen million, one hundred twenty thousand, thirteen".