12475777 has 2 divisors, whose sum is σ = 12475778. Its totient is φ = 12475776.

The previous prime is 12475769. The next prime is 12475789. The reversal of 12475777 is 77757421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 92416 = 3519^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 12475777 - 2³ = 12475769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12475747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237888 + 6237889.

It is an arithmetic number, because the mean of its divisors is an integer number (6237889).

Almost surely, 2^12475777 is an apocalyptic number.

It is an amenable number.

12475777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12475777 is an equidigital number, since it uses as much as digits as its factorization.

12475777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96040, while the sum is 40.

The square root of 12475777 is about 3532.1065952205. The cubic root of 12475777 is about 231.9294338000.

The spelling of 12475777 in words is "twelve million, four hundred seventy-five thousand, seven hundred seventy-seven".