12685886 has 8 divisors (see below), whose sum is σ = 19258344. Its totient is φ = 6266440.

The previous prime is 12685873. The next prime is 12685889. The reversal of 12685886 is 68858621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685889) 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, 38045 + ... + 38376.

It is an arithmetic number, because the mean of its divisors is an integer number (2407293).

Almost surely, 2^12685886 is an apocalyptic number.

12685886 is a deficient number, since it is larger than the sum of its proper divisors (6572458).

12685886 is an equidigital number, since it uses as much as digits as its factorization.

12685886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76506.

The product of its digits is 184320, while the sum is 44.

The square root of 12685886 is about 3561.7251438032. The cubic root of 12685886 is about 233.2241943109.

The spelling of 12685886 in words is "twelve million, six hundred eighty-five thousand, eight hundred eighty-six".