13356644 has 24 divisors (see below), whose sum is σ = 26983488. Its totient is φ = 5666400.

The previous prime is 13356643. The next prime is 13356647. The reversal of 13356644 is 44665331.

It is a self number, because there is not a number n which added to its sum of digits gives 13356644.

It is not an unprimeable number, because it can be changed into a prime (13356643) by changing a digit.

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, 467 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (1124312).

Almost surely, 2^13356644 is an apocalyptic number.

13356644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13356644 is an abundant number, since it is smaller than the sum of its proper divisors (13626844).

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

13356644 is a wasteful number, since it uses less digits than its factorization.

13356644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4833 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 13356644 is about 3654.6742672911. The cubic root of 13356644 is about 237.2643291024.

The spelling of 13356644 in words is "thirteen million, three hundred fifty-six thousand, six hundred forty-four".