15730113 has 32 divisors (see below), whose sum is σ = 25157632. Its totient is φ = 8553600.

The previous prime is 15730111. The next prime is 15730129. The reversal of 15730113 is 31103751.

It is not a de Polignac number, because 15730113 - 2¹ = 15730111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15730113.

It is not an unprimeable number, because it can be changed into a prime (15730111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47358 + ... + 47688.

It is an arithmetic number, because the mean of its divisors is an integer number (786176).

Almost surely, 2^15730113 is an apocalyptic number.

It is an amenable number.

15730113 is a deficient number, since it is larger than the sum of its proper divisors (9427519).

15730113 is a wasteful number, since it uses less digits than its factorization.

15730113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 15730113 is about 3966.1206486944. The cubic root of 15730113 is about 250.5593502425.

Adding to 15730113 its reverse (31103751), we get a palindrome (46833864).

The spelling of 15730113 in words is "fifteen million, seven hundred thirty thousand, one hundred thirteen".