11520656 has 40 divisors (see below), whose sum is σ = 26397120. Its totient is φ = 4765824.

The previous prime is 11520629. The next prime is 11520659. The reversal of 11520656 is 65602511.

11520656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11520659) 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, 1475 + ... + 5021.

It is an arithmetic number, because the mean of its divisors is an integer number (659928).

Almost surely, 2^11520656 is an apocalyptic number.

11520656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11520656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13198560).

11520656 is an abundant number, since it is smaller than the sum of its proper divisors (14876464).

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

11520656 is a wasteful number, since it uses less digits than its factorization.

11520656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591 (or 3585 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 11520656 is about 3394.2091862465. The cubic root of 11520656 is about 225.8529337920.

The spelling of 11520656 in words is "eleven million, five hundred twenty thousand, six hundred fifty-six".