13033988 has 36 divisors (see below), whose sum is σ = 25772208. Its totient is φ = 5717040.

The previous prime is 13033957. The next prime is 13034009. The reversal of 13033988 is 88933031.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156995 + ... + 157077.

Almost surely, 2^13033988 is an apocalyptic number.

It is an amenable number.

13033988 is a deficient number, since it is larger than the sum of its proper divisors (12738220).

13033988 is a wasteful number, since it uses less digits than its factorization.

13033988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 13033988 is about 3610.2614863746. The cubic root of 13033988 is about 235.3382062530.

The spelling of 13033988 in words is "thirteen million, thirty-three thousand, nine hundred eighty-eight".