11722560 has 56 divisors (see below), whose sum is σ = 37222176. Its totient is φ = 3125760.

The previous prime is 11722519. The next prime is 11722589. The reversal of 11722560 is 6522711.

11722560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11722560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5146 + ... + 7065.

Almost surely, 2^11722560 is an apocalyptic number.

11722560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11722560 is an abundant number, since it is smaller than the sum of its proper divisors (25499616).

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

11722560 is a wasteful number, since it uses less digits than its factorization.

11722560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231 (or 12221 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 11722560 is about 3423.8224253019. The cubic root of 11722560 is about 227.1646873638.

The spelling of 11722560 in words is "eleven million, seven hundred twenty-two thousand, five hundred sixty".