13216670 has 16 divisors (see below), whose sum is σ = 23882688. Its totient is φ = 5266080.

The previous prime is 13216669. The next prime is 13216699. The reversal of 13216670 is 7661231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (1492668).

Almost surely, 2^13216670 is an apocalyptic number.

13216670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13216670 is a deficient number, since it is larger than the sum of its proper divisors (10666018).

13216670 is a wasteful number, since it uses less digits than its factorization.

13216670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 13216670 is about 3635.4738343165. The cubic root of 13216670 is about 236.4325949503.

The spelling of 13216670 in words is "thirteen million, two hundred sixteen thousand, six hundred seventy".