11966979 has 16 divisors (see below), whose sum is σ = 17038080. Its totient is φ = 7449120.

The previous prime is 11966953. The next prime is 11966993. The reversal of 11966979 is 97966911.

It is a de Polignac number, because none of the positive numbers 2^k-11966979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11966909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2569 + ... + 5525.

It is an arithmetic number, because the mean of its divisors is an integer number (1064880).

Almost surely, 2^11966979 is an apocalyptic number.

11966979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11966979 is a deficient number, since it is larger than the sum of its proper divisors (5071101).

11966979 is a wasteful number, since it uses less digits than its factorization.

11966979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050.

The product of its digits is 183708, while the sum is 48.

The square root of 11966979 is about 3459.3321609814. The cubic root of 11966979 is about 228.7326577674.

The spelling of 11966979 in words is "eleven million, nine hundred sixty-six thousand, nine hundred seventy-nine".