13287268 has 12 divisors (see below), whose sum is σ = 24620652. Its totient is φ = 6252800.

The previous prime is 13287233. The next prime is 13287269. The reversal of 13287268 is 86278231.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 3415104 = 3142^2 + 1848^2 .

It is not an unprimeable number, because it can be changed into a prime (13287269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97633 + ... + 97768.

It is an arithmetic number, because the mean of its divisors is an integer number (2051721).

Almost surely, 2^13287268 is an apocalyptic number.

It is an amenable number.

13287268 is a deficient number, since it is larger than the sum of its proper divisors (11333384).

13287268 is a wasteful number, since it uses less digits than its factorization.

13287268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195422 (or 195420 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 13287268 is about 3645.1705035567. The cubic root of 13287268 is about 236.8528227439.

The spelling of 13287268 in words is "thirteen million, two hundred eighty-seven thousand, two hundred sixty-eight".