13287133 has 8 divisors (see below), whose sum is σ = 13802400. Its totient is φ = 12775728.

The previous prime is 13287119. The next prime is 13287139. The reversal of 13287133 is 33178231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13287133 - 2⁵ = 13287101 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 (13287139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7398 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (1725300).

Almost surely, 2^13287133 is an apocalyptic number.

It is an amenable number.

13287133 is a deficient number, since it is larger than the sum of its proper divisors (515267).

13287133 is a wasteful number, since it uses less digits than its factorization.

13287133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931.

The product of its digits is 3024, while the sum is 28.

The square root of 13287133 is about 3645.1519858574. The cubic root of 13287133 is about 236.8520205916.

The spelling of 13287133 in words is "thirteen million, two hundred eighty-seven thousand, one hundred thirty-three".