12477604813 has 2 divisors, whose sum is σ = 12477604814. Its totient is φ = 12477604812.

The previous prime is 12477604781. The next prime is 12477604837. The reversal of 12477604813 is 31840677421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10678742244 + 1798862569 = 103338^2 + 42413^2 .

It is a cyclic number.

It is not a de Polignac number, because 12477604813 - 2⁵ = 12477604781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12477604813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12477601813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6238802406 + 6238802407.

It is an arithmetic number, because the mean of its divisors is an integer number (6238802407).

Almost surely, 2^12477604813 is an apocalyptic number.

It is an amenable number.

12477604813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12477604813 is an equidigital number, since it uses as much as digits as its factorization.

12477604813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 12477604813 in words is "twelve billion, four hundred seventy-seven million, six hundred four thousand, eight hundred thirteen".