12807266 has 8 divisors (see below), whose sum is σ = 19474284. Its totient is φ = 6315840.

The previous prime is 12807233. The next prime is 12807317. The reversal of 12807266 is 66270821.

It can be written as a sum of positive squares in 2 ways, for example, as 12752041 + 55225 = 3571^2 + 235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 43715 + ... + 44006.

Almost surely, 2^12807266 is an apocalyptic number.

12807266 is a deficient number, since it is larger than the sum of its proper divisors (6667018).

12807266 is an equidigital number, since it uses as much as digits as its factorization.

12807266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87796.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12807266 is about 3578.7240743036. The cubic root of 12807266 is about 233.9656730029.

The spelling of 12807266 in words is "twelve million, eight hundred seven thousand, two hundred sixty-six".