12906977 has 2 divisors, whose sum is σ = 12906978. Its totient is φ = 12906976.

The previous prime is 12906967. The next prime is 12907007. The reversal of 12906977 is 77960921.

It is a happy number.

12906977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 5958481 = 2636^2 + 2441^2 .

It is a cyclic number.

It is not a de Polignac number, because 12906977 - 2⁸ = 12906721 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12906937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453488 + 6453489.

It is an arithmetic number, because the mean of its divisors is an integer number (6453489).

Almost surely, 2^12906977 is an apocalyptic number.

It is an amenable number.

12906977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12906977 is an equidigital number, since it uses as much as digits as its factorization.

12906977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 12906977 is about 3592.6281466358. The cubic root of 12906977 is about 234.5712841510.

The spelling of 12906977 in words is "twelve million, nine hundred six thousand, nine hundred seventy-seven".