12086785 has 4 divisors (see below), whose sum is σ = 14504148. Its totient is φ = 9669424.

The previous prime is 12086783. The next prime is 12086797. The reversal of 12086785 is 58768021.

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 8785296 + 3301489 = 2964^2 + 1817^2 .

It is a cyclic number.

It is not a de Polignac number, because 12086785 - 2¹ = 12086783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12086783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208674 + ... + 1208683.

It is an arithmetic number, because the mean of its divisors is an integer number (3626037).

Almost surely, 2^12086785 is an apocalyptic number.

It is an amenable number.

12086785 is a deficient number, since it is larger than the sum of its proper divisors (2417363).

12086785 is an equidigital number, since it uses as much as digits as its factorization.

12086785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417362.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 12086785 is about 3476.6053845670. The cubic root of 12086785 is about 229.4934345943.

The spelling of 12086785 in words is "twelve million, eighty-six thousand, seven hundred eighty-five".