11967982 has 32 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 5287680.

The previous prime is 11967979. The next prime is 11967997. The reversal of 11967982 is 28976911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109744 + ... + 109852.

It is an arithmetic number, because the mean of its divisors is an integer number (630630).

Almost surely, 2^11967982 is an apocalyptic number.

11967982 is a deficient number, since it is larger than the sum of its proper divisors (8212178).

11967982 is a wasteful number, since it uses less digits than its factorization.

11967982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 54432, while the sum is 43.

The square root of 11967982 is about 3459.4771281221. The cubic root of 11967982 is about 228.7390479194.

The spelling of 11967982 in words is "eleven million, nine hundred sixty-seven thousand, nine hundred eighty-two".