12914777 has 2 divisors, whose sum is σ = 12914778. Its totient is φ = 12914776.

The previous prime is 12914771. The next prime is 12914789. The reversal of 12914777 is 77741921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 33856 = 3589^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 12914777 - 2⁴ = 12914761 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12914777.

It is not a weakly prime, because it can be changed into another prime (12914771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457388 + 6457389.

It is an arithmetic number, because the mean of its divisors is an integer number (6457389).

Almost surely, 2^12914777 is an apocalyptic number.

It is an amenable number.

12914777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12914777 is an equidigital number, since it uses as much as digits as its factorization.

12914777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 38.

The square root of 12914777 is about 3593.7135389455. The cubic root of 12914777 is about 234.6185270123.

The spelling of 12914777 in words is "twelve million, nine hundred fourteen thousand, seven hundred seventy-seven".