12746539199 has 8 divisors (see below), whose sum is σ = 13002286848. Its totient is φ = 12492300960.

The previous prime is 12746539129. The next prime is 12746539213. The reversal of 12746539199 is 99193564721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12746539199 - 2⁸ = 12746538943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746539129) 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 in 7 ways as a sum of consecutive naturals, for example, 360287 + ... + 394080.

It is an arithmetic number, because the mean of its divisors is an integer number (1625285856).

Almost surely, 2^12746539199 is an apocalyptic number.

12746539199 is a deficient number, since it is larger than the sum of its proper divisors (255747649).

12746539199 is an equidigital number, since it uses as much as digits as its factorization.

12746539199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754705.

The product of its digits is 3674160, while the sum is 56.

The spelling of 12746539199 in words is "twelve billion, seven hundred forty-six million, five hundred thirty-nine thousand, one hundred ninety-nine".