13239065 has 12 divisors (see below), whose sum is σ = 18480996. Its totient is φ = 9078048.

The previous prime is 13239059. The next prime is 13239103. The reversal of 13239065 is 56093231.

It can be written as a sum of positive squares in 2 ways, for example, as 9314704 + 3924361 = 3052^2 + 1981^2 .

It is not a de Polignac number, because 13239065 - 2⁶ = 13239001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26774 + ... + 27263.

It is an arithmetic number, because the mean of its divisors is an integer number (1540083).

Almost surely, 2^13239065 is an apocalyptic number.

It is an amenable number.

13239065 is a deficient number, since it is larger than the sum of its proper divisors (5241931).

13239065 is an equidigital number, since it uses as much as digits as its factorization.

13239065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54056 (or 54049 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13239065 is about 3638.5525968440. The cubic root of 13239065 is about 236.5660607457.

The spelling of 13239065 in words is "thirteen million, two hundred thirty-nine thousand, sixty-five".