12831266 has 16 divisors (see below), whose sum is σ = 22063104. Its totient is φ = 5482464.

The previous prime is 12831227. The next prime is 12831293. The reversal of 12831266 is 66213821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 6558.

It is an arithmetic number, because the mean of its divisors is an integer number (1378944).

Almost surely, 2^12831266 is an apocalyptic number.

12831266 is a deficient number, since it is larger than the sum of its proper divisors (9231838).

12831266 is a wasteful number, since it uses less digits than its factorization.

12831266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785.

The product of its digits is 3456, while the sum is 29.

The square root of 12831266 is about 3582.0756552591. The cubic root of 12831266 is about 234.1117273938. Note that the first 3 decimals are identical.

The spelling of 12831266 in words is "twelve million, eight hundred thirty-one thousand, two hundred sixty-six".