12822831 has 24 divisors (see below), whose sum is σ = 21743904. Its totient is φ = 7128000.

The previous prime is 12822829. The next prime is 12822847. The reversal of 12822831 is 13822821.

It is not a de Polignac number, because 12822831 - 2¹ = 12822829 is a prime.

It is a super-2 number, since 2×12822831² = 328849989709122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12822795 and 12822804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822851) 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 23 ways as a sum of consecutive naturals, for example, 420 + ... + 5081.

It is an arithmetic number, because the mean of its divisors is an integer number (905996).

Almost surely, 2^12822831 is an apocalyptic number.

12822831 is a deficient number, since it is larger than the sum of its proper divisors (8921073).

12822831 is a wasteful number, since it uses less digits than its factorization.

12822831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551 (or 5548 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 12822831 is about 3580.8980717133. The cubic root of 12822831 is about 234.0604161334.

The spelling of 12822831 in words is "twelve million, eight hundred twenty-two thousand, eight hundred thirty-one".