11312588 has 12 divisors (see below), whose sum is σ = 22625232. Its totient is φ = 4848240.

The previous prime is 11312557. The next prime is 11312603. The reversal of 11312588 is 88521311.

11312588 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312588.

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 3 ways as a sum of consecutive naturals, for example, 201983 + ... + 202038.

It is an arithmetic number, because the mean of its divisors is an integer number (1885436).

Almost surely, 2^11312588 is an apocalyptic number.

It is an amenable number.

11312588 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312588 is a wasteful number, since it uses less digits than its factorization.

11312588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404032 (or 404030 counting only the distinct ones).

The product of its digits is 1920, while the sum is 29.

The square root of 11312588 is about 3363.4190937200. The cubic root of 11312588 is about 224.4849982452.

Adding to 11312588 its reverse (88521311), we get a palindrome (99833899).

The spelling of 11312588 in words is "eleven million, three hundred twelve thousand, five hundred eighty-eight".