12365399413 has 2 divisors, whose sum is σ = 12365399414. Its totient is φ = 12365399412.

The previous prime is 12365399393. The next prime is 12365399461. The reversal of 12365399413 is 31499356321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6912758449 + 5452640964 = 83143^2 + 73842^2 .

It is a cyclic number.

It is not a de Polignac number, because 12365399413 - 2³³ = 3775464821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12365399213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6182699706 + 6182699707.

It is an arithmetic number, because the mean of its divisors is an integer number (6182699707).

Almost surely, 2^12365399413 is an apocalyptic number.

It is an amenable number.

12365399413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12365399413 is an equidigital number, since it uses as much as digits as its factorization.

12365399413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

It can be divided in two parts, 12365 and 399413, that added together give a triangular number (411778 = T₉₀₇).

The spelling of 12365399413 in words is "twelve billion, three hundred sixty-five million, three hundred ninety-nine thousand, four hundred thirteen".