12977077 has 2 divisors, whose sum is σ = 12977078. Its totient is φ = 12977076.

The previous prime is 12977071. The next prime is 12977087. The reversal of 12977077 is 77077921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 81796 = 3591^2 + 286^2 .

It is an emirp because it is prime and its reverse (77077921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12977077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12977071) 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 as a sum of consecutive naturals, namely, 6488538 + 6488539.

It is an arithmetic number, because the mean of its divisors is an integer number (6488539).

Almost surely, 2^12977077 is an apocalyptic number.

It is an amenable number.

12977077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977077 is an equidigital number, since it uses as much as digits as its factorization.

12977077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 40.

The square root of 12977077 is about 3602.3710247558. The cubic root of 12977077 is about 234.9951832422.

The spelling of 12977077 in words is "twelve million, nine hundred seventy-seven thousand, seventy-seven".