11966 has 8 divisors (see below), whose sum is σ = 18624. Its totient is φ = 5760.

The previous prime is 11959. The next prime is 11969. The reversal of 11966 is 66911.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 11966.

It is not an unprimeable number, because it can be changed into a prime (11969) by changing a digit.

11966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 158.

It is an arithmetic number, because the mean of its divisors is an integer number (2328).

2¹¹⁹⁶⁶ is an apocalyptic number.

11966 is a deficient number, since it is larger than the sum of its proper divisors (6658).

11966 is a wasteful number, since it uses less digits than its factorization.

11966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226.

The product of its digits is 324, while the sum is 23.

The square root of 11966 is about 109.3892133622. The cubic root of 11966 is about 22.8726420176.

Subtracting 11966 from its reverse (66911), we obtain a palindrome (54945).

The spelling of 11966 in words is "eleven thousand, nine hundred sixty-six".