11312660 has 24 divisors (see below), whose sum is σ = 24161760. Its totient is φ = 4447904.

The previous prime is 11312641. The next prime is 11312663. The reversal of 11312660 is 6621311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614 + ... + 5973.

It is an arithmetic number, because the mean of its divisors is an integer number (1006740).

Almost surely, 2^11312660 is an apocalyptic number.

11312660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11312660 is an abundant number, since it is smaller than the sum of its proper divisors (12849100).

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

11312660 is a wasteful number, since it uses less digits than its factorization.

11312660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9655 (or 9653 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11312660 is about 3363.4297970970. The cubic root of 11312660 is about 224.4854744960.

Adding to 11312660 its reverse (6621311), we get a palindrome (17933971).

The spelling of 11312660 in words is "eleven million, three hundred twelve thousand, six hundred sixty".