11795865 has 16 divisors (see below), whose sum is σ = 19867200. Its totient is φ = 5959872.

The previous prime is 11795863. The next prime is 11795897. The reversal of 11795865 is 56859711.

It is not a de Polignac number, because 11795865 - 2¹ = 11795863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11795863) 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, 20410 + ... + 20979.

It is an arithmetic number, because the mean of its divisors is an integer number (1241700).

Almost surely, 2^11795865 is an apocalyptic number.

11795865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11795865 is a deficient number, since it is larger than the sum of its proper divisors (8071335).

11795865 is a wasteful number, since it uses less digits than its factorization.

11795865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41416.

The product of its digits is 75600, while the sum is 42.

The square root of 11795865 is about 3434.5108822072. The cubic root of 11795865 is about 227.6372154555.

The spelling of 11795865 in words is "eleven million, seven hundred ninety-five thousand, eight hundred sixty-five".