113402013 has 12 divisors (see below), whose sum is σ = 159581088. Its totient is φ = 71621640.

The previous prime is 113402011. The next prime is 113402017. The reversal of 113402013 is 310204311.

It is not a de Polignac number, because 113402013 - 2¹ = 113402011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113401983 and 113402001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113402011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51273 + ... + 53438.

It is an arithmetic number, because the mean of its divisors is an integer number (13298424).

Almost surely, 2^113402013 is an apocalyptic number.

It is an amenable number.

113402013 is a deficient number, since it is larger than the sum of its proper divisors (46179075).

113402013 is a wasteful number, since it uses less digits than its factorization.

113402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104752 (or 104733 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113402013 is about 10649.0381255774. The cubic root of 113402013 is about 484.0314578397.

Adding to 113402013 its reverse (310204311), we get a palindrome (423606324).

The spelling of 113402013 in words is "one hundred thirteen million, four hundred two thousand, thirteen".