11312644 has 24 divisors (see below), whose sum is σ = 23356928. Its totient is φ = 4691520.

The previous prime is 11312641. The next prime is 11312663. The reversal of 11312644 is 44621311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5649 + ... + 7384.

Almost surely, 2^11312644 is an apocalyptic number.

11312644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11312644 is an abundant number, since it is smaller than the sum of its proper divisors (12044284).

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

11312644 is a wasteful number, since it uses less digits than its factorization.

11312644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075 (or 13073 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 11312644 is about 3363.4274185717. The cubic root of 11312644 is about 224.4853686627.

Adding to 11312644 its reverse (44621311), we get a palindrome (55933955).

The spelling of 11312644 in words is "eleven million, three hundred twelve thousand, six hundred forty-four".