12375577 has 2 divisors, whose sum is σ = 12375578. Its totient is φ = 12375576.

The previous prime is 12375569. The next prime is 12375581. The reversal of 12375577 is 77557321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 6130576 = 2499^2 + 2476^2 .

It is an emirp because it is prime and its reverse (77557321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12375577 - 2³ = 12375569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12375557) 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, 6187788 + 6187789.

It is an arithmetic number, because the mean of its divisors is an integer number (6187789).

Almost surely, 2^12375577 is an apocalyptic number.

It is an amenable number.

12375577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12375577 is an equidigital number, since it uses as much as digits as its factorization.

12375577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51450, while the sum is 37.

The square root of 12375577 is about 3517.8938301205. The cubic root of 12375577 is about 231.3068453386.

The spelling of 12375577 in words is "twelve million, three hundred seventy-five thousand, five hundred seventy-seven".