11656966 has 4 divisors (see below), whose sum is σ = 17485452. Its totient is φ = 5828482.

The previous prime is 11656933. The next prime is 11656973. The reversal of 11656966 is 66965611.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2914240 + ... + 2914243.

It is an arithmetic number, because the mean of its divisors is an integer number (4371363).

Almost surely, 2^11656966 is an apocalyptic number.

11656966 is a deficient number, since it is larger than the sum of its proper divisors (5828486).

11656966 is an equidigital number, since it uses as much as digits as its factorization.

11656966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828485.

The product of its digits is 58320, while the sum is 40.

The square root of 11656966 is about 3414.2299278168. The cubic root of 11656966 is about 226.7401919300.

The spelling of 11656966 in words is "eleven million, six hundred fifty-six thousand, nine hundred sixty-six".