12886276 has 12 divisors (see below), whose sum is σ = 24285772. Its totient is φ = 5947488.

The previous prime is 12886267. The next prime is 12886277. The reversal of 12886276 is 67268821.

It can be written as a sum of positive squares in 2 ways, for example, as 1052676 + 11833600 = 1026^2 + 3440^2 .

It is a super-2 number, since 2×12886276² = 332112218296352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12886277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123855 + ... + 123958.

Almost surely, 2^12886276 is an apocalyptic number.

It is an amenable number.

12886276 is a deficient number, since it is larger than the sum of its proper divisors (11399496).

12886276 is a wasteful number, since it uses less digits than its factorization.

12886276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247830 (or 247828 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 12886276 is about 3589.7459520139. The cubic root of 12886276 is about 234.4458104502.

The spelling of 12886276 in words is "twelve million, eight hundred eighty-six thousand, two hundred seventy-six".