12892085 has 4 divisors (see below), whose sum is σ = 15470508. Its totient is φ = 10313664.

The previous prime is 12892079. The next prime is 12892093. The reversal of 12892085 is 58029821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7006609 + 5885476 = 2647^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 12892085 - 2⁸ = 12891829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289204 + ... + 1289213.

It is an arithmetic number, because the mean of its divisors is an integer number (3867627).

Almost surely, 2^12892085 is an apocalyptic number.

It is an amenable number.

12892085 is a deficient number, since it is larger than the sum of its proper divisors (2578423).

12892085 is an equidigital number, since it uses as much as digits as its factorization.

12892085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578422.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 12892085 is about 3590.5549710316. The cubic root of 12892085 is about 234.4810337405.

The spelling of 12892085 in words is "twelve million, eight hundred ninety-two thousand, eighty-five".