12979081 has 2 divisors, whose sum is σ = 12979082. Its totient is φ = 12979080.

The previous prime is 12979069. The next prime is 12979091. The reversal of 12979081 is 18097921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12638025 + 341056 = 3555^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 12979081 - 2¹³ = 12970889 is a prime.

It is a super-3 number, since 3×12979081³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12979081.

It is not a weakly prime, because it can be changed into another prime (12979051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6489540 + 6489541.

It is an arithmetic number, because the mean of its divisors is an integer number (6489541).

Almost surely, 2^12979081 is an apocalyptic number.

It is an amenable number.

12979081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12979081 is an equidigital number, since it uses as much as digits as its factorization.

12979081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12979081 is about 3602.6491641568. The cubic root of 12979081 is about 235.0072790864.

The spelling of 12979081 in words is "twelve million, nine hundred seventy-nine thousand, eighty-one".