12685896 has 40 divisors (see below), whose sum is σ = 35534070. Its totient is φ = 4228416.

The previous prime is 12685891. The next prime is 12685919. The reversal of 12685896 is 69858621.

12685896 is a `hidden beast` number, since 1 + 2 + 68 + 589 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 4901796 = 2790^2 + 2214^2 .

It is not an unprimeable number, because it can be changed into a prime (12685891) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9141 + ... + 10436.

Almost surely, 2^12685896 is an apocalyptic number.

It is an amenable number.

12685896 is an abundant number, since it is smaller than the sum of its proper divisors (22848174).

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

12685896 is a wasteful number, since it uses less digits than its factorization.

12685896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19595 (or 19582 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 12685896 is about 3561.7265476170. The cubic root of 12685896 is about 233.2242555927.

The spelling of 12685896 in words is "twelve million, six hundred eighty-five thousand, eight hundred ninety-six".