12607979893 has 2 divisors, whose sum is σ = 12607979894. Its totient is φ = 12607979892.

The previous prime is 12607979887. The next prime is 12607979903. The reversal of 12607979893 is 39897970621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11893647364 + 714332529 = 109058^2 + 26727^2 .

It is a cyclic number.

It is not a de Polignac number, because 12607979893 - 2¹⁷ = 12607848821 is a prime.

It is a super-2 number, since 2×12607979893² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12607979833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303989946 + 6303989947.

It is an arithmetic number, because the mean of its divisors is an integer number (6303989947).

Almost surely, 2^12607979893 is an apocalyptic number.

It is an amenable number.

12607979893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12607979893 is an equidigital number, since it uses as much as digits as its factorization.

12607979893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 12607979893 in words is "twelve billion, six hundred seven million, nine hundred seventy-nine thousand, eight hundred ninety-three".