13117616 has 20 divisors (see below), whose sum is σ = 25513992. Its totient is φ = 6533376.

The previous prime is 13117579. The next prime is 13117661. The reversal of 13117616 is 61671131.

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, 3080 + ... + 5976.

Almost surely, 2^13117616 is an apocalyptic number.

13117616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13117616 is a deficient number, since it is larger than the sum of its proper divisors (12396376).

13117616 is a wasteful number, since it uses less digits than its factorization.

13117616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188 (or 3182 counting only the distinct ones).

The product of its digits is 756, while the sum is 26.

The square root of 13117616 is about 3621.8249543566. The cubic root of 13117616 is about 235.8404552227.

Adding to 13117616 its reverse (61671131), we get a palindrome (74788747).

The spelling of 13117616 in words is "thirteen million, one hundred seventeen thousand, six hundred sixteen".