12327685 has 4 divisors (see below), whose sum is σ = 14793228. Its totient is φ = 9862144.

The previous prime is 12327661. The next prime is 12327691. The reversal of 12327685 is 58672321.

It is a happy number.

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 6880129 + 5447556 = 2623^2 + 2334^2 .

It is a cyclic number.

It is not a de Polignac number, because 12327685 - 2⁹ = 12327173 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12327685.

It is a congruent number.

It is an unprimeable number.

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, 1232764 + ... + 1232773.

It is an arithmetic number, because the mean of its divisors is an integer number (3698307).

Almost surely, 2^12327685 is an apocalyptic number.

It is an amenable number.

12327685 is a deficient number, since it is larger than the sum of its proper divisors (2465543).

12327685 is an equidigital number, since it uses as much as digits as its factorization.

12327685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465542.

The product of its digits is 20160, while the sum is 34.

The square root of 12327685 is about 3511.0803180788. The cubic root of 12327685 is about 231.0080830239.

It can be divided in two parts, 12327 and 685, that multiplied together give a triangular number (8443995 = T₄₁₀₉).

The spelling of 12327685 in words is "twelve million, three hundred twenty-seven thousand, six hundred eighty-five".