13644652 has 24 divisors (see below), whose sum is σ = 27496224. Its totient is φ = 5803392.

The previous prime is 13644647. The next prime is 13644667. The reversal of 13644652 is 25644631.

It is a super-2 number, since 2×13644652² = 372353056402208, which contains 22 as substring.

It is an unprimeable number.

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, 2058 + ... + 5614.

It is an arithmetic number, because the mean of its divisors is an integer number (1145676).

Almost surely, 2^13644652 is an apocalyptic number.

It is an amenable number.

13644652 is an abundant number, since it is smaller than the sum of its proper divisors (13851572).

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

13644652 is a wasteful number, since it uses less digits than its factorization.

13644652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3703 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 13644652 is about 3693.8668086438. The cubic root of 13644652 is about 238.9575854192.

The spelling of 13644652 in words is "thirteen million, six hundred forty-four thousand, six hundred fifty-two".