12822131 has 32 divisors (see below), whose sum is σ = 16796160. Its totient is φ = 9524736.

The previous prime is 12822113. The next prime is 12822133. The reversal of 12822131 is 13122821.

It is not a de Polignac number, because 12822131 - 2⁶ = 12822067 is a prime.

It is a super-2 number, since 2×12822131² = 328814086762322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12822133) 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 31 ways as a sum of consecutive naturals, for example, 119780 + ... + 119886.

It is an arithmetic number, because the mean of its divisors is an integer number (524880).

Almost surely, 2^12822131 is an apocalyptic number.

12822131 is a deficient number, since it is larger than the sum of its proper divisors (3974029).

12822131 is a wasteful number, since it uses less digits than its factorization.

12822131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its digits is 192, while the sum is 20.

The square root of 12822131 is about 3580.8003295353. The cubic root of 12822131 is about 234.0561569265.

Adding to 12822131 its reverse (13122821), we get a palindrome (25944952).

The spelling of 12822131 in words is "twelve million, eight hundred twenty-two thousand, one hundred thirty-one".