13216684 has 24 divisors (see below), whose sum is σ = 26375328. Its totient is φ = 5740800.

The previous prime is 13216669. The next prime is 13216699. The reversal of 13216684 is 48661231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13216669) and next prime (13216699).

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, 6592 + ... + 8359.

It is an arithmetic number, because the mean of its divisors is an integer number (1098972).

Almost surely, 2^13216684 is an apocalyptic number.

It is an amenable number.

13216684 is a deficient number, since it is larger than the sum of its proper divisors (13158644).

13216684 is a wasteful number, since it uses less digits than its factorization.

13216684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985 (or 14983 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 13216684 is about 3635.4757597872. The cubic root of 13216684 is about 236.4326784322.

The spelling of 13216684 in words is "thirteen million, two hundred sixteen thousand, six hundred eighty-four".