12804213 has 8 divisors (see below), whose sum is σ = 18076608. Its totient is φ = 8033984.

The previous prime is 12804193. The next prime is 12804229. The reversal of 12804213 is 31240821.

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 12804213 - 2¹⁸ = 12542069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12804213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12804293) 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, 125481 + ... + 125582.

It is an arithmetic number, because the mean of its divisors is an integer number (2259576).

Almost surely, 2^12804213 is an apocalyptic number.

It is an amenable number.

12804213 is a deficient number, since it is larger than the sum of its proper divisors (5272395).

12804213 is a wasteful number, since it uses less digits than its factorization.

12804213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251083.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12804213 is about 3578.2975002087. The cubic root of 12804213 is about 233.9470805892.

The spelling of 12804213 in words is "twelve million, eight hundred four thousand, two hundred thirteen".