13312016 has 20 divisors (see below), whose sum is σ = 25984572. Its totient is φ = 6606336.

The previous prime is 13312001. The next prime is 13312021. The reversal of 13312016 is 61021331.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 3097600 = 3196^2 + 1760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13311985 and 13312003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845 + ... + 5228.

Almost surely, 2^13312016 is an apocalyptic number.

13312016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13312016 is a deficient number, since it is larger than the sum of its proper divisors (12672556).

13312016 is a wasteful number, since it uses less digits than its factorization.

13312016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218 (or 6212 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13312016 is about 3648.5635529616. The cubic root of 13312016 is about 236.9997804243. Note that the first 3 decimals are identical.

Adding to 13312016 its reverse (61021331), we get a palindrome (74333347).

The spelling of 13312016 in words is "thirteen million, three hundred twelve thousand, sixteen".