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12822001 is a prime number
BaseRepresentation
bin110000111010…
…010111110001
3220010102110221
4300322113301
511240301001
61134453041
7213661633
oct60722761
926112427
1012822001
1172683a5
124364181
13286c1aa
1419baa53
1511d41a1
hexc3a5f1

12822001 has 2 divisors, whose sum is σ = 12822002. Its totient is φ = 12822000.

The previous prime is 12821989. The next prime is 12822011. The reversal of 12822001 is 10022821.

12822001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12787776 + 34225 = 3576^2 + 185^2 .

It is an emirp because it is prime and its reverse (10022821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12822001 - 25 = 12821969 is a prime.

It is not a weakly prime, because it can be changed into another prime (12822011) 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 as a sum of consecutive naturals, namely, 6411000 + 6411001.

It is an arithmetic number, because the mean of its divisors is an integer number (6411001).

Almost surely, 212822001 is an apocalyptic number.

It is an amenable number.

12822001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12822001 is an equidigital number, since it uses as much as digits as its factorization.

12822001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 12822001 is about 3580.7821771228. The cubic root of 12822001 is about 234.0553659138.

Adding to 12822001 its reverse (10022821), we get a palindrome (22844822).

The spelling of 12822001 in words is "twelve million, eight hundred twenty-two thousand, one".