11490865 has 8 divisors (see below), whose sum is σ = 14125608. Its totient is φ = 8968320.

The previous prime is 11490859. The next prime is 11490887. The reversal of 11490865 is 56809411.

It can be written as a sum of positive squares in 4 ways, for example, as 725904 + 10764961 = 852^2 + 3281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11490865 - 2⁷ = 11490737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11490865.

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 7 ways as a sum of consecutive naturals, for example, 27822 + ... + 28231.

It is an arithmetic number, because the mean of its divisors is an integer number (1765701).

Almost surely, 2^11490865 is an apocalyptic number.

It is an amenable number.

11490865 is a deficient number, since it is larger than the sum of its proper divisors (2634743).

11490865 is an equidigital number, since it uses as much as digits as its factorization.

11490865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56099.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 11490865 is about 3389.8178417136. The cubic root of 11490865 is about 225.6580897748.

The spelling of 11490865 in words is "eleven million, four hundred ninety thousand, eight hundred sixty-five".