11238865 has 16 divisors (see below), whose sum is σ = 14837760. Its totient is φ = 8104320.

The previous prime is 11238859. The next prime is 11238869. The reversal of 11238865 is 56883211.

It is not a de Polignac number, because 11238865 - 2⁷ = 11238737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11238865.

It is not an unprimeable number, because it can be changed into a prime (11238869) 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, 6181 + ... + 7789.

It is an arithmetic number, because the mean of its divisors is an integer number (927360).

Almost surely, 2^11238865 is an apocalyptic number.

It is an amenable number.

11238865 is a deficient number, since it is larger than the sum of its proper divisors (3598895).

11238865 is a wasteful number, since it uses less digits than its factorization.

11238865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its digits is 11520, while the sum is 34.

The square root of 11238865 is about 3352.4416475160. The cubic root of 11238865 is about 223.9962863436.

The spelling of 11238865 in words is "eleven million, two hundred thirty-eight thousand, eight hundred sixty-five".