12286916 has 12 divisors (see below), whose sum is σ = 21700140. Its totient is φ = 6086880.

The previous prime is 12286891. The next prime is 12286919. The reversal of 12286916 is 61968221.

It can be written as a sum of positive squares in 2 ways, for example, as 10048900 + 2238016 = 3170^2 + 1496^2 .

It is not an unprimeable number, because it can be changed into a prime (12286919) 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, 13655 + ... + 14526.

It is an arithmetic number, because the mean of its divisors is an integer number (1808345).

Almost surely, 2^12286916 is an apocalyptic number.

It is an amenable number.

12286916 is a deficient number, since it is larger than the sum of its proper divisors (9413224).

12286916 is a wasteful number, since it uses less digits than its factorization.

12286916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28294 (or 28292 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 12286916 is about 3505.2697471093. The cubic root of 12286916 is about 230.7531454657.

The spelling of 12286916 in words is "twelve million, two hundred eighty-six thousand, nine hundred sixteen".