12685836 has 24 divisors (see below), whose sum is σ = 29675520. Its totient is φ = 4217872.

The previous prime is 12685763. The next prime is 12685837. The reversal of 12685836 is 63858621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12685794 and 12685803.

It is not an unprimeable number, because it can be changed into a prime (12685837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (1236480).

Almost surely, 2^12685836 is an apocalyptic number.

It is an amenable number.

12685836 is an abundant number, since it is smaller than the sum of its proper divisors (16989684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12685836 is a wasteful number, since it uses less digits than its factorization.

12685836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2691 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 12685836 is about 3561.7181247258. The cubic root of 12685836 is about 233.2238879015.

The spelling of 12685836 in words is "twelve million, six hundred eighty-five thousand, eight hundred thirty-six".