13632988 has 6 divisors (see below), whose sum is σ = 23857736. Its totient is φ = 6816492.

The previous prime is 13632979. The next prime is 13633001. The reversal of 13632988 is 88923631.

It is a self number, because there is not a number n which added to its sum of digits gives 13632988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1704120 + ... + 1704127.

Almost surely, 2^13632988 is an apocalyptic number.

It is an amenable number.

13632988 is a deficient number, since it is larger than the sum of its proper divisors (10224748).

13632988 is a wasteful number, since it uses less digits than its factorization.

13632988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408251 (or 3408249 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 13632988 is about 3692.2876377661. The cubic root of 13632988 is about 238.8894758073.

It can be divided in two parts, 136 and 32988, that added together give a square (33124 = 182²).

The spelling of 13632988 in words is "thirteen million, six hundred thirty-two thousand, nine hundred eighty-eight".