13768165 has 16 divisors (see below), whose sum is σ = 17028288. Its totient is φ = 10682496.

The previous prime is 13768163. The next prime is 13768171. The reversal of 13768165 is 56186731.

13768165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13768165 - 2¹ = 13768163 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 (13768163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24174 + ... + 24736.

It is an arithmetic number, because the mean of its divisors is an integer number (1064268).

Almost surely, 2^13768165 is an apocalyptic number.

It is an amenable number.

13768165 is a deficient number, since it is larger than the sum of its proper divisors (3260123).

13768165 is an equidigital number, since it uses as much as digits as its factorization.

13768165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708.

The product of its digits is 30240, while the sum is 37.

The square root of 13768165 is about 3710.5478032226. The cubic root of 13768165 is about 239.6764447831.

Subtracting from 13768165 its sum of digits (37), we obtain a triangular number (13768128 = T₅₂₄₇).

The spelling of 13768165 in words is "thirteen million, seven hundred sixty-eight thousand, one hundred sixty-five".