13251065 has 8 divisors (see below), whose sum is σ = 16103040. Its totient is φ = 10466352.

The previous prime is 13251047. The next prime is 13251071. The reversal of 13251065 is 56015231.

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 13251065 - 2⁶ = 13251001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13251065.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16379 + ... + 17168.

It is an arithmetic number, because the mean of its divisors is an integer number (2012880).

Almost surely, 2^13251065 is an apocalyptic number.

It is an amenable number.

13251065 is a deficient number, since it is larger than the sum of its proper divisors (2851975).

13251065 is an equidigital number, since it uses as much as digits as its factorization.

13251065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33631.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13251065 is about 3640.2012307014. The cubic root of 13251065 is about 236.6375143179.

Adding to 13251065 its reverse (56015231), we get a palindrome (69266296).

The spelling of 13251065 in words is "thirteen million, two hundred fifty-one thousand, sixty-five".