12804779 has 8 divisors (see below), whose sum is σ = 13984992. Its totient is φ = 11652480.

The previous prime is 12804773. The next prime is 12804787. The reversal of 12804779 is 97740821.

12804779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12804779 - 2⁸ = 12804523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12804773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6014 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1748124).

Almost surely, 2^12804779 is an apocalyptic number.

12804779 is a deficient number, since it is larger than the sum of its proper divisors (1180213).

12804779 is a wasteful number, since it uses less digits than its factorization.

12804779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957.

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

The square root of 12804779 is about 3578.3765872250. The cubic root of 12804779 is about 233.9505276863.

The spelling of 12804779 in words is "twelve million, eight hundred four thousand, seven hundred seventy-nine".