11587587 has 16 divisors (see below), whose sum is σ = 17742720. Its totient is φ = 6652800.

The previous prime is 11587577. The next prime is 11587601. The reversal of 11587587 is 78578511.

11587587 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11587587 - 2¹⁰ = 11586563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11587567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8614 + ... + 9867.

It is an arithmetic number, because the mean of its divisors is an integer number (1108920).

Almost surely, 2^11587587 is an apocalyptic number.

11587587 is a deficient number, since it is larger than the sum of its proper divisors (6155133).

11587587 is a wasteful number, since it uses less digits than its factorization.

11587587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18514.

The product of its digits is 78400, while the sum is 42.

The square root of 11587587 is about 3404.0544942759. The cubic root of 11587587 is about 226.2894651505.

The spelling of 11587587 in words is "eleven million, five hundred eighty-seven thousand, five hundred eighty-seven".