12804797 has 4 divisors (see below), whose sum is σ = 12924576. Its totient is φ = 12685020.

The previous prime is 12804793. The next prime is 12804809. The reversal of 12804797 is 79740821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79740821 = 277 ⋅287873.

It is a cyclic number.

It is not a de Polignac number, because 12804797 - 2² = 12804793 is a prime.

It is a super-2 number, since 2×12804797² = 327925652422418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12804797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59729 + ... + 59942.

It is an arithmetic number, because the mean of its divisors is an integer number (3231144).

Almost surely, 2^12804797 is an apocalyptic number.

It is an amenable number.

12804797 is a deficient number, since it is larger than the sum of its proper divisors (119779).

12804797 is a wasteful number, since it uses less digits than its factorization.

12804797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119778.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12804797 is about 3578.3791023311. The cubic root of 12804797 is about 233.9506373096.

The spelling of 12804797 in words is "twelve million, eight hundred four thousand, seven hundred ninety-seven".