12823047 has 12 divisors (see below), whose sum is σ = 18637944. Its totient is φ = 8495280.

The previous prime is 12823039. The next prime is 12823051. The reversal of 12823047 is 74032821.

It is not a de Polignac number, because 12823047 - 2³ = 12823039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12823047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12823147) 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 11 ways as a sum of consecutive naturals, for example, 2904 + ... + 5837.

It is an arithmetic number, because the mean of its divisors is an integer number (1553162).

Almost surely, 2^12823047 is an apocalyptic number.

12823047 is a deficient number, since it is larger than the sum of its proper divisors (5814897).

12823047 is a wasteful number, since it uses less digits than its factorization.

12823047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8910 (or 8907 counting only the distinct ones).

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

The square root of 12823047 is about 3580.9282316182. The cubic root of 12823047 is about 234.0617303717.

Adding to 12823047 its reverse (74032821), we get a palindrome (86855868).

The spelling of 12823047 in words is "twelve million, eight hundred twenty-three thousand, forty-seven".