12804738 has 16 divisors (see below), whose sum is σ = 26302080. Its totient is φ = 4152816.

The previous prime is 12804733. The next prime is 12804739. The reversal of 12804738 is 83740821.

It is a super-2 number, since 2×12804738² = 327922630497288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12804699 and 12804708.

It is not an unprimeable number, because it can be changed into a prime (12804731) 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, 28618 + ... + 29061.

It is an arithmetic number, because the mean of its divisors is an integer number (1643880).

Almost surely, 2^12804738 is an apocalyptic number.

12804738 is an abundant number, since it is smaller than the sum of its proper divisors (13497342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12804738 is a wasteful number, since it uses less digits than its factorization.

12804738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57721.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 12804738 is about 3578.3708583656. The cubic root of 12804738 is about 233.9502779883.

The spelling of 12804738 in words is "twelve million, eight hundred four thousand, seven hundred thirty-eight".