12805297 has 8 divisors (see below), whose sum is σ = 13543200. Its totient is φ = 12073824.

The previous prime is 12805279. The next prime is 12805307. The reversal of 12805297 is 79250821.

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

It is a cyclic number.

It is not a de Polignac number, because 12805297 - 2²³ = 4416689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12805217) 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, 2829 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (1692900).

Almost surely, 2^12805297 is an apocalyptic number.

It is an amenable number.

12805297 is a deficient number, since it is larger than the sum of its proper divisors (737903).

12805297 is a wasteful number, since it uses less digits than its factorization.

12805297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12805297 is about 3578.4489656833. The cubic root of 12805297 is about 233.9536823610.

The spelling of 12805297 in words is "twelve million, eight hundred five thousand, two hundred ninety-seven".