12684368 has 20 divisors (see below), whose sum is σ = 25424340. Its totient is φ = 6123264.

The previous prime is 12684367. The next prime is 12684389. The reversal of 12684368 is 86348621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9684544 + 2999824 = 3112^2 + 1732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12684361) 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, 13205 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (1271217).

Almost surely, 2^12684368 is an apocalyptic number.

It is an amenable number.

12684368 is an abundant number, since it is smaller than the sum of its proper divisors (12739972).

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

12684368 is a wasteful number, since it uses less digits than its factorization.

12684368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374 (or 27368 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 12684368 is about 3561.5120384466. The cubic root of 12684368 is about 233.2148913620.

The spelling of 12684368 in words is "twelve million, six hundred eighty-four thousand, three hundred sixty-eight".