12628286 has 12 divisors (see below), whose sum is σ = 20821416. Its totient is φ = 5740020.

The previous prime is 12628277. The next prime is 12628303. The reversal of 12628286 is 68282621.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 25850 + ... + 26333.

It is an arithmetic number, because the mean of its divisors is an integer number (1735118).

Almost surely, 2^12628286 is an apocalyptic number.

12628286 is a deficient number, since it is larger than the sum of its proper divisors (8193130).

12628286 is a wasteful number, since it uses less digits than its factorization.

12628286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52207 (or 52196 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 12628286 is about 3553.6299751100. The cubic root of 12628286 is about 232.8706755298.

The spelling of 12628286 in words is "twelve million, six hundred twenty-eight thousand, two hundred eighty-six".