12804723 has 30 divisors (see below), whose sum is σ = 20356556. Its totient is φ = 8019648.

The previous prime is 12804719. The next prime is 12804731. The reversal of 12804723 is 32740821.

12804723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12804723 - 2² = 12804719 is a prime.

It is a super-2 number, since 2×12804723² = 327921862213458, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12804703) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 23136 + ... + 23682.

Almost surely, 2^12804723 is an apocalyptic number.

12804723 is a deficient number, since it is larger than the sum of its proper divisors (7551833).

12804723 is an equidigital number, since it uses as much as digits as its factorization.

12804723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 12804723 is about 3578.3687624391. The cubic root of 12804723 is about 233.9501866353.

The spelling of 12804723 in words is "twelve million, eight hundred four thousand, seven hundred twenty-three".