12977759 has 2 divisors, whose sum is σ = 12977760. Its totient is φ = 12977758.

The previous prime is 12977753. The next prime is 12977803. The reversal of 12977759 is 95777921.

12977759 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 not a de Polignac number, because 12977759 - 2⁴ = 12977743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12977753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6488879 + 6488880.

It is an arithmetic number, because the mean of its divisors is an integer number (6488880).

Almost surely, 2^12977759 is an apocalyptic number.

12977759 is a deficient number, since it is larger than the sum of its proper divisors (1).

12977759 is an equidigital number, since it uses as much as digits as its factorization.

12977759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 47.

The square root of 12977759 is about 3602.4656833896. The cubic root of 12977759 is about 234.9992998319. Note that the first 3 decimals are identical.

The spelling of 12977759 in words is "twelve million, nine hundred seventy-seven thousand, seven hundred fifty-nine".