12116977 has 2 divisors, whose sum is σ = 12116978. Its totient is φ = 12116976.

The previous prime is 12116969. The next prime is 12116981. The reversal of 12116977 is 77961121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6739216 + 5377761 = 2596^2 + 2319^2 .

It is a cyclic number.

It is not a de Polignac number, because 12116977 - 2³ = 12116969 is a prime.

It is a super-2 number, since 2×12116977² = 293642263237058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12116987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6058488 + 6058489.

It is an arithmetic number, because the mean of its divisors is an integer number (6058489).

Almost surely, 2^12116977 is an apocalyptic number.

It is an amenable number.

12116977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12116977 is an equidigital number, since it uses as much as digits as its factorization.

12116977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5292, while the sum is 34.

The square root of 12116977 is about 3480.9448429988. The cubic root of 12116977 is about 229.6843622475.

The spelling of 12116977 in words is "twelve million, one hundred sixteen thousand, nine hundred seventy-seven".