12116971 has 8 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 11368320.

The previous prime is 12116969. The next prime is 12116977. The reversal of 12116971 is 17961121.

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

It is a cyclic number.

It is not a de Polignac number, because 12116971 - 2¹ = 12116969 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 7 ways as a sum of consecutive naturals, for example, 5581 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^12116971 is an apocalyptic number.

12116971 is the 1861-st nonagonal number.

12116971 is a deficient number, since it is larger than the sum of its proper divisors (753173).

12116971 is a wasteful number, since it uses less digits than its factorization.

12116971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its digits is 756, while the sum is 28.

The square root of 12116971 is about 3480.9439811637. The cubic root of 12116971 is about 229.6843243364.

The spelling of 12116971 in words is "twelve million, one hundred sixteen thousand, nine hundred seventy-one".