12659081 has 2 divisors, whose sum is σ = 12659082. Its totient is φ = 12659080.

The previous prime is 12659057. The next prime is 12659117. The reversal of 12659081 is 18095621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 990025 = 3416^2 + 995^2 .

It is an emirp because it is prime and its reverse (18095621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12659081 - 2²² = 8464777 is a prime.

It is a super-2 number, since 2×12659081² = 320504663529122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12659011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6329540 + 6329541.

It is an arithmetic number, because the mean of its divisors is an integer number (6329541).

Almost surely, 2^12659081 is an apocalyptic number.

It is an amenable number.

12659081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12659081 is an equidigital number, since it uses as much as digits as its factorization.

12659081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12659081 is about 3557.9602302443. The cubic root of 12659081 is about 233.0598126022.

The spelling of 12659081 in words is "twelve million, six hundred fifty-nine thousand, eighty-one".