12808293 has 8 divisors (see below), whose sum is σ = 18082368. Its totient is φ = 8036544.

The previous prime is 12808291. The next prime is 12808319. The reversal of 12808293 is 39280821.

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

It is not a de Polignac number, because 12808293 - 2¹ = 12808291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12808291) 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, 125521 + ... + 125622.

It is an arithmetic number, because the mean of its divisors is an integer number (2260296).

Almost surely, 2^12808293 is an apocalyptic number.

It is an amenable number.

12808293 is a deficient number, since it is larger than the sum of its proper divisors (5274075).

12808293 is a wasteful number, since it uses less digits than its factorization.

12808293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251163.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12808293 is about 3578.8675583206. The cubic root of 12808293 is about 233.9719266489.

The spelling of 12808293 in words is "twelve million, eight hundred eight thousand, two hundred ninety-three".