11656340 has 24 divisors (see below), whose sum is σ = 24548832. Its totient is φ = 4649120.

The previous prime is 11656321. The next prime is 11656349. The reversal of 11656340 is 4365611.

11656340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656349) 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, 9227 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (1022868).

Almost surely, 2^11656340 is an apocalyptic number.

11656340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11656340 is an abundant number, since it is smaller than the sum of its proper divisors (12892492).

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

11656340 is a wasteful number, since it uses less digits than its factorization.

11656340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 11656340 is about 3414.1382514479. The cubic root of 11656340 is about 226.7361330722.

The spelling of 11656340 in words is "eleven million, six hundred fifty-six thousand, three hundred forty".