12285686 has 16 divisors (see below), whose sum is σ = 21166080. Its totient is φ = 5239080.

The previous prime is 12285683. The next prime is 12285709. The reversal of 12285686 is 68658221.

It is a super-5 number, since 5×12285686⁵ (a number of 37 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (1322880).

Almost surely, 2^12285686 is an apocalyptic number.

12285686 is a deficient number, since it is larger than the sum of its proper divisors (8880394).

12285686 is a wasteful number, since it uses less digits than its factorization.

12285686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379.

The product of its digits is 46080, while the sum is 38.

The square root of 12285686 is about 3505.0942925976. The cubic root of 12285686 is about 230.7454452465.

The spelling of 12285686 in words is "twelve million, two hundred eighty-five thousand, six hundred eighty-six".