11631087 has 24 divisors (see below), whose sum is σ = 18666000. Its totient is φ = 7154784.

The previous prime is 11631079. The next prime is 11631101. The reversal of 11631087 is 78013611.

It is not a de Polignac number, because 11631087 - 2³ = 11631079 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11631087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3289 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (777750).

Almost surely, 2^11631087 is an apocalyptic number.

11631087 is a deficient number, since it is larger than the sum of its proper divisors (7034913).

11631087 is a wasteful number, since it uses less digits than its factorization.

11631087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11631087 is about 3410.4379484166. The cubic root of 11631087 is about 226.5722763946.

Adding to 11631087 its reverse (78013611), we get a palindrome (89644698).

The spelling of 11631087 in words is "eleven million, six hundred thirty-one thousand, eighty-seven".