13365165 has 16 divisors (see below), whose sum is σ = 23328576. Its totient is φ = 6480000.

The previous prime is 13365133. The next prime is 13365167. The reversal of 13365165 is 56156331.

It is not a de Polignac number, because 13365165 - 2⁵ = 13365133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13365167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40336 + ... + 40665.

It is an arithmetic number, because the mean of its divisors is an integer number (1458036).

Almost surely, 2^13365165 is an apocalyptic number.

13365165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13365165 is a deficient number, since it is larger than the sum of its proper divisors (9963411).

13365165 is a wasteful number, since it uses less digits than its factorization.

13365165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81020.

The product of its digits is 8100, while the sum is 30.

The square root of 13365165 is about 3655.8398487899. The cubic root of 13365165 is about 237.3147733999.

It can be divided in two parts, 13365 and 165, that multiplied together give a square (2205225 = 1485²).

The spelling of 13365165 in words is "thirteen million, three hundred sixty-five thousand, one hundred sixty-five".