13644912 has 20 divisors (see below), whose sum is σ = 35249480. Its totient is φ = 4548288.

The previous prime is 13644887. The next prime is 13644913. The reversal of 13644912 is 21944631.

It is a self number, because there is not a number n which added to its sum of digits gives 13644912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142087 + ... + 142182.

It is an arithmetic number, because the mean of its divisors is an integer number (1762474).

Almost surely, 2^13644912 is an apocalyptic number.

13644912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13644912 is an abundant number, since it is smaller than the sum of its proper divisors (21604568).

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

13644912 is a wasteful number, since it uses less digits than its factorization.

13644912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284280 (or 284274 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13644912 is about 3693.9020019486. The cubic root of 13644912 is about 238.9591031953.

The spelling of 13644912 in words is "thirteen million, six hundred forty-four thousand, nine hundred twelve".