12806316 has 48 divisors (see below), whose sum is σ = 33398400. Its totient is φ = 4243536.

The previous prime is 12806273. The next prime is 12806327. The reversal of 12806316 is 61360821.

12806316 is a `hidden beast` number, since 1 + 28 + 0 + 631 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12806316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30355 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (695800).

Almost surely, 2^12806316 is an apocalyptic number.

It is an amenable number.

12806316 is an abundant number, since it is smaller than the sum of its proper divisors (20592084).

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

12806316 is a wasteful number, since it uses less digits than its factorization.

12806316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12806316 is about 3578.5913429728. The cubic root of 12806316 is about 233.9598879305.

The spelling of 12806316 in words is "twelve million, eight hundred six thousand, three hundred sixteen".