11589665 has 16 divisors (see below), whose sum is σ = 14981760. Its totient is φ = 8574720.

The previous prime is 11589659. The next prime is 11589671. The reversal of 11589665 is 56698511.

11589665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11589659) and next prime (11589671).

It is not a de Polignac number, because 11589665 - 2¹² = 11585569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860 + ... + 6170.

It is an arithmetic number, because the mean of its divisors is an integer number (936360).

Almost surely, 2^11589665 is an apocalyptic number.

It is an amenable number.

11589665 is a deficient number, since it is larger than the sum of its proper divisors (3392095).

11589665 is a wasteful number, since it uses less digits than its factorization.

11589665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its digits is 64800, while the sum is 41.

The square root of 11589665 is about 3404.3597048491. The cubic root of 11589665 is about 226.3029911590.

The spelling of 11589665 in words is "eleven million, five hundred eighty-nine thousand, six hundred sixty-five".