12780000413 has 2 divisors, whose sum is σ = 12780000414. Its totient is φ = 12780000412.

The previous prime is 12780000379. The next prime is 12780000421. The reversal of 12780000413 is 31400008721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11742323044 + 1037677369 = 108362^2 + 32213^2 .

It is a cyclic number.

It is not a de Polignac number, because 12780000413 - 2²⁶ = 12712891549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12780000313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6390000206 + 6390000207.

It is an arithmetic number, because the mean of its divisors is an integer number (6390000207).

Almost surely, 2^12780000413 is an apocalyptic number.

It is an amenable number.

12780000413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12780000413 is an equidigital number, since it uses as much as digits as its factorization.

12780000413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 12780000413 in words is "twelve billion, seven hundred eighty million, four hundred thirteen", and thus it is an aban number.