13644996 has 24 divisors (see below), whose sum is σ = 31901184. Its totient is φ = 4539360.

The previous prime is 13644979. The next prime is 13644997. The reversal of 13644996 is 69944631.

It is not an unprimeable number, because it can be changed into a prime (13644997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (1329216).

Almost surely, 2^13644996 is an apocalyptic number.

It is an amenable number.

13644996 is an abundant number, since it is smaller than the sum of its proper divisors (18256188).

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

13644996 is a wasteful number, since it uses less digits than its factorization.

13644996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2249 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 13644996 is about 3693.9133720216. The cubic root of 13644996 is about 238.9595935496.

The spelling of 13644996 in words is "thirteen million, six hundred forty-four thousand, nine hundred ninety-six".