12798286 has 16 divisors (see below), whose sum is σ = 20361600. Its totient is φ = 6016248.

The previous prime is 12798283. The next prime is 12798293. The reversal of 12798286 is 68289721.

It is a super-2 number, since 2×12798286² = 327592249075592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12798283) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4071 + ... + 6493.

It is an arithmetic number, because the mean of its divisors is an integer number (1272600).

Almost surely, 2^12798286 is an apocalyptic number.

12798286 is a deficient number, since it is larger than the sum of its proper divisors (7563314).

12798286 is a wasteful number, since it uses less digits than its factorization.

12798286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583.

The product of its digits is 96768, while the sum is 43.

The square root of 12798286 is about 3577.4692171981. The cubic root of 12798286 is about 233.9109774109.

The spelling of 12798286 in words is "twelve million, seven hundred ninety-eight thousand, two hundred eighty-six".