12977651 has 2 divisors, whose sum is σ = 12977652. Its totient is φ = 12977650.

The previous prime is 12977617. The next prime is 12977707. The reversal of 12977651 is 15677921.

12977651 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12977651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12970651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488825 + 6488826.

It is an arithmetic number, because the mean of its divisors is an integer number (6488826).

Almost surely, 2^12977651 is an apocalyptic number.

12977651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977651 is an equidigital number, since it uses as much as digits as its factorization.

12977651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 38.

The square root of 12977651 is about 3602.4506936251. The cubic root of 12977651 is about 234.9986479476.

The spelling of 12977651 in words is "twelve million, nine hundred seventy-seven thousand, six hundred fifty-one".