12804307 has 4 divisors (see below), whose sum is σ = 13361040. Its totient is φ = 12247576.

The previous prime is 12804301. The next prime is 12804317. The reversal of 12804307 is 70340821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70340821 = 67 ⋅1049863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12804307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12804301) 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 3 ways as a sum of consecutive naturals, for example, 278332 + ... + 278377.

It is an arithmetic number, because the mean of its divisors is an integer number (3340260).

Almost surely, 2^12804307 is an apocalyptic number.

12804307 is a deficient number, since it is larger than the sum of its proper divisors (556733).

12804307 is an equidigital number, since it uses as much as digits as its factorization.

12804307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556732.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 12804307 is about 3578.3106349226. The cubic root of 12804307 is about 233.9476530823.

The spelling of 12804307 in words is "twelve million, eight hundred four thousand, three hundred seven".