15397316 has 12 divisors (see below), whose sum is σ = 29394960. Its totient is φ = 6998760.

The previous prime is 15397307. The next prime is 15397321. The reversal of 15397316 is 61379351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174926 + ... + 175013.

It is an arithmetic number, because the mean of its divisors is an integer number (2449580).

Almost surely, 2^15397316 is an apocalyptic number.

It is an amenable number.

15397316 is a deficient number, since it is larger than the sum of its proper divisors (13997644).

15397316 is a wasteful number, since it uses less digits than its factorization.

15397316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349954 (or 349952 counting only the distinct ones).

The product of its digits is 17010, while the sum is 35.

The square root of 15397316 is about 3923.9413859027. The cubic root of 15397316 is about 248.7797388752.

The spelling of 15397316 in words is "fifteen million, three hundred ninety-seven thousand, three hundred sixteen".