12727087619 has 2 divisors, whose sum is σ = 12727087620. Its totient is φ = 12727087618.

The previous prime is 12727087613. The next prime is 12727087627. The reversal of 12727087619 is 91678072721.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12727087619 - 2¹⁶ = 12727022083 is a prime.

It is a super-2 number, since 2×12727087619² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12727087613) 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, 6363543809 + 6363543810.

It is an arithmetic number, because the mean of its divisors is an integer number (6363543810).

Almost surely, 2^12727087619 is an apocalyptic number.

12727087619 is a deficient number, since it is larger than the sum of its proper divisors (1).

12727087619 is an equidigital number, since it uses as much as digits as its factorization.

12727087619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 12727087619 in words is "twelve billion, seven hundred twenty-seven million, eighty-seven thousand, six hundred nineteen".