12822066 has 24 divisors (see below), whose sum is σ = 27847404. Its totient is φ = 4263840.

The previous prime is 12822059. The next prime is 12822067. The reversal of 12822066 is 66022821.

It can be written as a sum of positive squares in 2 ways, for example, as 12638025 + 184041 = 3555^2 + 429^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12822067) 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, 13156 + ... + 14096.

Almost surely, 2^12822066 is an apocalyptic number.

12822066 is an abundant number, since it is smaller than the sum of its proper divisors (15025338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12822066 is a wasteful number, since it uses less digits than its factorization.

12822066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 12822066 is about 3580.7912533405. The cubic root of 12822066 is about 234.0557614208.

Adding to 12822066 its reverse (66022821), we get a palindrome (78844887).

The spelling of 12822066 in words is "twelve million, eight hundred twenty-two thousand, sixty-six".