13270916 has 24 divisors (see below), whose sum is σ = 23837016. Its totient is φ = 6462720.

The previous prime is 13270903. The next prime is 13270963. The reversal of 13270916 is 61907231.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 12630916 = 800^2 + 3554^2 .

It is a super-2 number, since 2×13270916² = 352234422958112, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 33230 + ... + 33626.

It is an arithmetic number, because the mean of its divisors is an integer number (993209).

Almost surely, 2^13270916 is an apocalyptic number.

It is an amenable number.

13270916 is a deficient number, since it is larger than the sum of its proper divisors (10566100).

13270916 is a wasteful number, since it uses less digits than its factorization.

13270916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 13270916 is about 3642.9268452715. The cubic root of 13270916 is about 236.7556217436.

The spelling of 13270916 in words is "thirteen million, two hundred seventy thousand, nine hundred sixteen".