12823025 has 6 divisors (see below), whose sum is σ = 15900582. Its totient is φ = 10258400.

The previous prime is 12823021. The next prime is 12823033. The reversal of 12823025 is 52032821.

It can be written as a sum of positive squares in 3 ways, for example, as 85264 + 12737761 = 292^2 + 3569^2 .

It is not a de Polignac number, because 12823025 - 2² = 12823021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12823021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256436 + ... + 256485.

It is an arithmetic number, because the mean of its divisors is an integer number (2650097).

Almost surely, 2^12823025 is an apocalyptic number.

It is an amenable number.

12823025 is a deficient number, since it is larger than the sum of its proper divisors (3077557).

12823025 is an equidigital number, since it uses as much as digits as its factorization.

12823025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512931 (or 512926 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12823025 is about 3580.9251597876. The cubic root of 12823025 is about 234.0615965148.

Adding to 12823025 its reverse (52032821), we get a palindrome (64855846).

The spelling of 12823025 in words is "twelve million, eight hundred twenty-three thousand, twenty-five".