15317116 has 36 divisors (see below), whose sum is σ = 29152200. Its totient is φ = 7021728.

The previous prime is 15317087. The next prime is 15317117. The reversal of 15317116 is 61171351.

It is a super-2 number, since 2×15317116² = 469228085114912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15317117) 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, 140470 + ... + 140578.

Almost surely, 2^15317116 is an apocalyptic number.

It is an amenable number.

15317116 is a deficient number, since it is larger than the sum of its proper divisors (13835084).

15317116 is a wasteful number, since it uses less digits than its factorization.

15317116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 173 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 15317116 is about 3913.7087270261. The cubic root of 15317116 is about 248.3470470733.

Adding to 15317116 its reverse (61171351), we get a palindrome (76488467).

The spelling of 15317116 in words is "fifteen million, three hundred seventeen thousand, one hundred sixteen".