13312616 has 16 divisors (see below), whose sum is σ = 26275200. Its totient is φ = 6305904.

The previous prime is 13312591. The next prime is 13312633. The reversal of 13312616 is 61621331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13312591 and 13312600.

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, 43640 + ... + 43943.

It is an arithmetic number, because the mean of its divisors is an integer number (1642200).

Almost surely, 2^13312616 is an apocalyptic number.

It is an amenable number.

13312616 is a deficient number, since it is larger than the sum of its proper divisors (12962584).

13312616 is a wasteful number, since it uses less digits than its factorization.

13312616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87608 (or 87604 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 13312616 is about 3648.6457761750. The cubic root of 13312616 is about 237.0033410604.

Adding to 13312616 its reverse (61621331), we get a palindrome (74933947).

The spelling of 13312616 in words is "thirteen million, three hundred twelve thousand, six hundred sixteen".