13032639 has 12 divisors (see below), whose sum is σ = 19106776. Its totient is φ = 8558352.

The previous prime is 13032623. The next prime is 13032653. The reversal of 13032639 is 93623031.

It is not a de Polignac number, because 13032639 - 2⁴ = 13032623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10204 + ... + 11409.

Almost surely, 2^13032639 is an apocalyptic number.

13032639 is a deficient number, since it is larger than the sum of its proper divisors (6074137).

13032639 is a wasteful number, since it uses less digits than its factorization.

13032639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21686 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 13032639 is about 3610.0746529677. The cubic root of 13032639 is about 235.3300869117.

The spelling of 13032639 in words is "thirteen million, thirty-two thousand, six hundred thirty-nine".