11312656 has 20 divisors (see below), whose sum is σ = 22115772. Its totient is φ = 5605376.

The previous prime is 11312641. The next prime is 11312663. The reversal of 11312656 is 65621311.

It can be written as a sum of positive squares in 2 ways, for example, as 5837056 + 5475600 = 2416^2 + 2340^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11312656.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321 + ... + 4936.

Almost surely, 2^11312656 is an apocalyptic number.

11312656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11312656 is a deficient number, since it is larger than the sum of its proper divisors (10803116).

11312656 is a wasteful number, since it uses less digits than its factorization.

11312656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378 (or 6372 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 11312656 is about 3363.4292024658. The cubic root of 11312656 is about 224.4854480377.

Adding to 11312656 its reverse (65621311), we get a palindrome (76933967).

It can be divided in two parts, 113 and 12656, that added together give a square (12769 = 113²).

The spelling of 11312656 in words is "eleven million, three hundred twelve thousand, six hundred fifty-six".