15700113 has 36 divisors (see below), whose sum is σ = 26868660. Its totient is φ = 8775360.

The previous prime is 15700109. The next prime is 15700133. The reversal of 15700113 is 31100751.

It is a happy number.

15700113 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 14653584 = 1023^2 + 3828^2 .

It is not a de Polignac number, because 15700113 - 2² = 15700109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15700133) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13603 + ... + 14711.

Almost surely, 2^15700113 is an apocalyptic number.

15700113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15700113 is a deficient number, since it is larger than the sum of its proper divisors (11168547).

15700113 is a wasteful number, since it uses less digits than its factorization.

15700113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 15700113 is about 3962.3368105198. The cubic root of 15700113 is about 250.3999624456.

Adding to 15700113 its reverse (31100751), we get a palindrome (46800864).

The spelling of 15700113 in words is "fifteen million, seven hundred thousand, one hundred thirteen".