13287135 has 24 divisors (see below), whose sum is σ = 21775536. Its totient is φ = 6918400.

The previous prime is 13287119. The next prime is 13287139. The reversal of 13287135 is 53178231.

It is not a de Polignac number, because 13287135 - 2⁴ = 13287119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13287139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32935 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (907314).

Almost surely, 2^13287135 is an apocalyptic number.

13287135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13287135 is a deficient number, since it is larger than the sum of its proper divisors (8488401).

13287135 is an equidigital number, since it uses as much as digits as its factorization.

13287135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 456 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 13287135 is about 3645.1522601944. The cubic root of 13287135 is about 236.8520324754.

The spelling of 13287135 in words is "thirteen million, two hundred eighty-seven thousand, one hundred thirty-five".