13312684 has 24 divisors (see below), whose sum is σ = 29046528. Its totient is φ = 5186640.

The previous prime is 13312681. The next prime is 13312693. The reversal of 13312684 is 48621331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (13312681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21304 + ... + 21919.

It is an arithmetic number, because the mean of its divisors is an integer number (1210272).

Almost surely, 2^13312684 is an apocalyptic number.

13312684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13312684 is an abundant number, since it is smaller than the sum of its proper divisors (15733844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13312684 is a wasteful number, since it uses less digits than its factorization.

13312684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245 (or 43243 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 13312684 is about 3648.6550946890. The cubic root of 13312684 is about 237.0037445924.

The spelling of 13312684 in words is "thirteen million, three hundred twelve thousand, six hundred eighty-four".