12304534813 has 2 divisors, whose sum is σ = 12304534814. Its totient is φ = 12304534812.

The previous prime is 12304534799. The next prime is 12304534819. The reversal of 12304534813 is 31843540321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11967922404 + 336612409 = 109398^2 + 18347^2 .

It is a cyclic number.

It is not a de Polignac number, because 12304534813 - 2⁹ = 12304534301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12304534819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152267406 + 6152267407.

It is an arithmetic number, because the mean of its divisors is an integer number (6152267407).

Almost surely, 2^12304534813 is an apocalyptic number.

It is an amenable number.

12304534813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304534813 is an equidigital number, since it uses as much as digits as its factorization.

12304534813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 12304534813 in words is "twelve billion, three hundred four million, five hundred thirty-four thousand, eight hundred thirteen".