11556966 has 8 divisors (see below), whose sum is σ = 23113944. Its totient is φ = 3852320.

The previous prime is 11556953. The next prime is 11556967. The reversal of 11556966 is 66965511.

It is a sphenic number, since it is the product of 3 distinct primes.

11556966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963075 + ... + 963086.

It is an arithmetic number, because the mean of its divisors is an integer number (2889243).

Almost surely, 2^11556966 is an apocalyptic number.

11556966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11556966 is a wasteful number, since it uses less digits than its factorization.

11556966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926166.

The product of its digits is 48600, while the sum is 39.

The square root of 11556966 is about 3399.5537942501. The cubic root of 11556966 is about 226.0899607921.

The spelling of 11556966 in words is "eleven million, five hundred fifty-six thousand, nine hundred sixty-six".