13644052 has 12 divisors (see below), whose sum is σ = 25133920. Its totient is φ = 6462936.

The previous prime is 13644041. The next prime is 13644073. The reversal of 13644052 is 25044631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89688 + ... + 89839.

Almost surely, 2^13644052 is an apocalyptic number.

It is an amenable number.

13644052 is a deficient number, since it is larger than the sum of its proper divisors (11489868).

13644052 is a wasteful number, since it uses less digits than its factorization.

13644052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179550 (or 179548 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 13644052 is about 3693.7855920451. The cubic root of 13644052 is about 238.9540827856.

Adding to 13644052 its reverse (25044631), we get a palindrome (38688683).

The spelling of 13644052 in words is "thirteen million, six hundred forty-four thousand, fifty-two".