11750865 has 16 divisors (see below), whose sum is σ = 21487488. Its totient is φ = 5371776.

The previous prime is 11750821. The next prime is 11750881. The reversal of 11750865 is 56805711.

It is not a de Polignac number, because 11750865 - 2¹⁰ = 11749841 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 55852 + ... + 56061.

It is an arithmetic number, because the mean of its divisors is an integer number (1342968).

Almost surely, 2^11750865 is an apocalyptic number.

11750865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11750865 is a deficient number, since it is larger than the sum of its proper divisors (9736623).

11750865 is a wasteful number, since it uses less digits than its factorization.

11750865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111928.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 11750865 is about 3427.9534710961. The cubic root of 11750865 is about 227.3473757939.

The spelling of 11750865 in words is "eleven million, seven hundred fifty thousand, eight hundred sixty-five".