12804386 has 12 divisors (see below), whose sum is σ = 22342518. Its totient is φ = 5487552.

The previous prime is 12804377. The next prime is 12804397. The reversal of 12804386 is 68340821.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 2660161 = 3185^2 + 1631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65231 + ... + 65426.

Almost surely, 2^12804386 is an apocalyptic number.

12804386 is a deficient number, since it is larger than the sum of its proper divisors (9538132).

12804386 is a wasteful number, since it uses less digits than its factorization.

12804386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130673 (or 130666 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 12804386 is about 3578.3216736342. The cubic root of 12804386 is about 233.9481342180.

The spelling of 12804386 in words is "twelve million, eight hundred four thousand, three hundred eighty-six".