12746384401 has 2 divisors, whose sum is σ = 12746384402. Its totient is φ = 12746384400.

The previous prime is 12746384383. The next prime is 12746384429. The reversal of 12746384401 is 10448364721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6913091025 + 5833293376 = 83145^2 + 76376^2 .

It is a cyclic number.

It is not a de Polignac number, because 12746384401 - 2⁹ = 12746383889 is a prime.

It is a super-2 number, since 2×12746384401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12746384701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373192200 + 6373192201.

It is an arithmetic number, because the mean of its divisors is an integer number (6373192201).

Almost surely, 2^12746384401 is an apocalyptic number.

It is an amenable number.

12746384401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12746384401 is an equidigital number, since it uses as much as digits as its factorization.

12746384401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 12746384401 in words is "twelve billion, seven hundred forty-six million, three hundred eighty-four thousand, four hundred one".