12822201 has 24 divisors (see below), whose sum is σ = 22089600. Its totient is φ = 7007616.

The previous prime is 12822193. The next prime is 12822203. The reversal of 12822201 is 10222821.

It is a happy number.

It is not a de Polignac number, because 12822201 - 2³ = 12822193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12822203) 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, 2976 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (920400).

Almost surely, 2^12822201 is an apocalyptic number.

It is an amenable number.

12822201 is a deficient number, since it is larger than the sum of its proper divisors (9267399).

12822201 is a wasteful number, since it uses less digits than its factorization.

12822201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8885 (or 8882 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 12822201 is about 3580.8101038731. The cubic root of 12822201 is about 234.0565828541.

The spelling of 12822201 in words is "twelve million, eight hundred twenty-two thousand, two hundred one".