11996 has 6 divisors (see below), whose sum is σ = 21000.
Its totient is φ = 5996.
The previous prime is 11987. The next prime is 12007. The reversal of 11996 is 69911.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
11996 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 as a sum of consecutive naturals, namely, 1496 + ... + 1503.
It is an arithmetic number, because the mean of its divisors is an integer number (3500).
211996 is an apocalyptic number.
It is an amenable number.
11996 is a deficient number, since it is larger than the sum of its proper divisors (9004).
11996 is a wasteful number, since it uses less digits than its factorization.
11996 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3003 (or 3001 counting only the distinct ones).
The product of its digits is 486, while the sum is 26.
The square root of 11996 is about 109.5262525607.
The cubic root of 11996 is about 22.8917407589.
The spelling of 11996 in words is "eleven thousand, nine hundred ninety-six".