12808207 has 4 divisors (see below), whose sum is σ = 12830400. Its totient is φ = 12786016.

The previous prime is 12808193. The next prime is 12808219. The reversal of 12808207 is 70280821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70280821 = 13 ⋅5406217.

It is a cyclic number.

It is not a de Polignac number, because 12808207 - 2¹⁹ = 12283919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308207) 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, 10207 + ... + 11392.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^12808207 is an apocalyptic number.

12808207 is a deficient number, since it is larger than the sum of its proper divisors (22193).

12808207 is an equidigital number, since it uses as much as digits as its factorization.

12808207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12808207 is about 3578.8555433267. The cubic root of 12808207 is about 233.9714029874.

The spelling of 12808207 in words is "twelve million, eight hundred eight thousand, two hundred seven".