13287339 has 12 divisors (see below), whose sum is σ = 20669376. Its totient is φ = 8176752.

The previous prime is 13287317. The next prime is 13287341. The reversal of 13287339 is 93378231.

It is a happy number.

It is not a de Polignac number, because 13287339 - 2⁸ = 13287083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13287389) 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, 56667 + ... + 56900.

It is an arithmetic number, because the mean of its divisors is an integer number (1722448).

Almost surely, 2^13287339 is an apocalyptic number.

13287339 is a deficient number, since it is larger than the sum of its proper divisors (7382037).

13287339 is a wasteful number, since it uses less digits than its factorization.

13287339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113586 (or 113583 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13287339 is about 3645.1802424572. The cubic root of 13287339 is about 236.8532446145.

The spelling of 13287339 in words is "thirteen million, two hundred eighty-seven thousand, three hundred thirty-nine".