12663577 has 2 divisors, whose sum is σ = 12663578. Its totient is φ = 12663576.

The previous prime is 12663569. The next prime is 12663601. The reversal of 12663577 is 77536621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 698896 = 3459^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 12663577 - 2³ = 12663569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12663877) 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, 6331788 + 6331789.

It is an arithmetic number, because the mean of its divisors is an integer number (6331789).

Almost surely, 2^12663577 is an apocalyptic number.

It is an amenable number.

12663577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663577 is an equidigital number, since it uses as much as digits as its factorization.

12663577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 12663577 is about 3558.5919968437. The cubic root of 12663577 is about 233.0874005156.

The spelling of 12663577 in words is "twelve million, six hundred sixty-three thousand, five hundred seventy-seven".