13097816 has 16 divisors (see below), whose sum is σ = 24624600. Its totient is φ = 6531264.

The previous prime is 13097809. The next prime is 13097857. The reversal of 13097816 is 61879031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 5273.

Almost surely, 2^13097816 is an apocalyptic number.

It is an amenable number.

13097816 is a deficient number, since it is larger than the sum of its proper divisors (11526784).

13097816 is a wasteful number, since it uses less digits than its factorization.

13097816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4418 (or 4414 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13097816 is about 3619.0904934804. The cubic root of 13097816 is about 235.7217346546.

The spelling of 13097816 in words is "thirteen million, ninety-seven thousand, eight hundred sixteen".