11965365 has 24 divisors (see below), whose sum is σ = 21961368. Its totient is φ = 6005760.

The previous prime is 11965339. The next prime is 11965379. The reversal of 11965365 is 56356911.

11965365 is a `hidden beast` number, since 119 + 6 + 536 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 5447556 = 2553^2 + 2334^2 .

It is not a de Polignac number, because 11965365 - 2⁷ = 11965237 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7056 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (915057).

Almost surely, 2^11965365 is an apocalyptic number.

11965365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11965365 is a deficient number, since it is larger than the sum of its proper divisors (9996003).

11965365 is a wasteful number, since it uses less digits than its factorization.

11965365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15669 (or 15666 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 11965365 is about 3459.0988710935. The cubic root of 11965365 is about 228.7223741609.

It can be divided in two parts, 1196 and 5365, that added together give a 8-th power (6561 = 3⁸).

The spelling of 11965365 in words is "eleven million, nine hundred sixty-five thousand, three hundred sixty-five".