12766085 has 4 divisors (see below), whose sum is σ = 15319308. Its totient is φ = 10212864.

The previous prime is 12766069. The next prime is 12766087. The reversal of 12766085 is 58066721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58066721 = 1217 ⋅47713.

It can be written as a sum of positive squares in 2 ways, for example, as 5373124 + 7392961 = 2318^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 12766085 - 2⁴ = 12766069 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 (12766087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276604 + ... + 1276613.

It is an arithmetic number, because the mean of its divisors is an integer number (3829827).

Almost surely, 2^12766085 is an apocalyptic number.

It is an amenable number.

12766085 is a deficient number, since it is larger than the sum of its proper divisors (2553223).

12766085 is an equidigital number, since it uses as much as digits as its factorization.

12766085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553222.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 12766085 is about 3572.9658548606. The cubic root of 12766085 is about 233.7146361898.

The spelling of 12766085 in words is "twelve million, seven hundred sixty-six thousand, eighty-five".