12311286 has 16 divisors (see below), whose sum is σ = 26516784. Its totient is φ = 3788064.

The previous prime is 12311267. The next prime is 12311311. The reversal of 12311286 is 68211321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78841 + ... + 78996.

It is an arithmetic number, because the mean of its divisors is an integer number (1657299).

Almost surely, 2^12311286 is an apocalyptic number.

12311286 is an abundant number, since it is smaller than the sum of its proper divisors (14205498).

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

12311286 is a wasteful number, since it uses less digits than its factorization.

12311286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157855.

The product of its digits is 576, while the sum is 24.

The square root of 12311286 is about 3508.7442198029. The cubic root of 12311286 is about 230.9056041292.

The spelling of 12311286 in words is "twelve million, three hundred eleven thousand, two hundred eighty-six".