13032865 has 16 divisors (see below), whose sum is σ = 16496640. Its totient is φ = 9869760.

The previous prime is 13032857. The next prime is 13032869. The reversal of 13032865 is 56823031.

13032865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13032865 - 2³ = 13032857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13032869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6391 + ... + 8179.

It is an arithmetic number, because the mean of its divisors is an integer number (1031040).

Almost surely, 2^13032865 is an apocalyptic number.

It is an amenable number.

13032865 is a deficient number, since it is larger than the sum of its proper divisors (3463775).

13032865 is a wasteful number, since it uses less digits than its factorization.

13032865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 13032865 is about 3610.1059541238. The cubic root of 13032865 is about 235.3314471962.

Adding to 13032865 its reverse (56823031), we get a palindrome (69855896).

The spelling of 13032865 in words is "thirteen million, thirty-two thousand, eight hundred sixty-five".