11865275 has 12 divisors (see below), whose sum is σ = 14811552. Its totient is φ = 9428640.

The previous prime is 11865257. The next prime is 11865289. The reversal of 11865275 is 57256811.

It is not a de Polignac number, because 11865275 - 2⁶ = 11865211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2414 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (1234296).

Almost surely, 2^11865275 is an apocalyptic number.

11865275 is a deficient number, since it is larger than the sum of its proper divisors (2946277).

11865275 is a wasteful number, since it uses less digits than its factorization.

11865275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190 (or 3185 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 11865275 is about 3444.6008477035. The cubic root of 11865275 is about 228.0828351419.

The spelling of 11865275 in words is "eleven million, eight hundred sixty-five thousand, two hundred seventy-five".