12116979 has 32 divisors (see below), whose sum is σ = 20871680. Its totient is φ = 6804000.

The previous prime is 12116977. The next prime is 12116981. The reversal of 12116979 is 97961121.

It is an interprime number because it is at equal distance from previous prime (12116977) and next prime (12116981).

It is not a de Polignac number, because 12116979 - 2¹ = 12116977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12116977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11004 + ... + 12054.

It is an arithmetic number, because the mean of its divisors is an integer number (652240).

Almost surely, 2^12116979 is an apocalyptic number.

12116979 is a deficient number, since it is larger than the sum of its proper divisors (8754701).

12116979 is a wasteful number, since it uses less digits than its factorization.

12116979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1122 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 12116979 is about 3480.9451302771. The cubic root of 12116979 is about 229.6843748846.

The spelling of 12116979 in words is "twelve million, one hundred sixteen thousand, nine hundred seventy-nine".