11587065 has 32 divisors (see below), whose sum is σ = 21328896. Its totient is φ = 5261760.

The previous prime is 11587063. The next prime is 11587073. The reversal of 11587065 is 56078511.

It is not a de Polignac number, because 11587065 - 2¹ = 11587063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11587063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21894 + ... + 22416.

It is an arithmetic number, because the mean of its divisors is an integer number (666528).

Almost surely, 2^11587065 is an apocalyptic number.

11587065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11587065 is a deficient number, since it is larger than the sum of its proper divisors (9741831).

11587065 is a wasteful number, since it uses less digits than its factorization.

11587065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

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

The square root of 11587065 is about 3403.9778201393. The cubic root of 11587065 is about 226.2860671213.

The spelling of 11587065 in words is "eleven million, five hundred eighty-seven thousand, sixty-five".