12085636 has 12 divisors (see below), whose sum is σ = 21203280. Its totient is φ = 6027560.

The previous prime is 12085631. The next prime is 12085673. The reversal of 12085636 is 63658021.

It is a junction number, because it is equal to n+sod(n) for n = 12085598 and 12085607.

It is not an unprimeable number, because it can be changed into a prime (12085631) 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, 1930 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (1766940).

Almost surely, 2^12085636 is an apocalyptic number.

It is an amenable number.

12085636 is a deficient number, since it is larger than the sum of its proper divisors (9117644).

12085636 is a wasteful number, since it uses less digits than its factorization.

12085636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7634 (or 7632 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 12085636 is about 3476.4401332397. The cubic root of 12085636 is about 229.4861622906.

It can be divided in two parts, 12085 and 636, that added together give a palindrome (12721).

The spelling of 12085636 in words is "twelve million, eighty-five thousand, six hundred thirty-six".