13251165 has 8 divisors (see below), whose sum is σ = 21201888. Its totient is φ = 7067280.

The previous prime is 13251157. The next prime is 13251169. The reversal of 13251165 is 56115231.

13251165 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13251165 - 2³ = 13251157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251169) 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, 441691 + ... + 441720.

It is an arithmetic number, because the mean of its divisors is an integer number (2650236).

Almost surely, 2^13251165 is an apocalyptic number.

13251165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13251165 is a deficient number, since it is larger than the sum of its proper divisors (7950723).

13251165 is an equidigital number, since it uses as much as digits as its factorization.

13251165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883419.

The product of its digits is 900, while the sum is 24.

The square root of 13251165 is about 3640.2149661799. The cubic root of 13251165 is about 236.6381095831.

Adding to 13251165 its reverse (56115231), we get a palindrome (69366396).

The spelling of 13251165 in words is "thirteen million, two hundred fifty-one thousand, one hundred sixty-five".