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12948217 is a prime number
BaseRepresentation
bin110001011001…
…001011111001
3220100211121121
4301121023321
511303320332
61141305241
7215025622
oct61311371
926324547
1012948217
117344207
124405221
1328b4789
141a10a49
15120b797
hexc592f9

12948217 has 2 divisors, whose sum is σ = 12948218. Its totient is φ = 12948216.

The previous prime is 12948211. The next prime is 12948223. The reversal of 12948217 is 71284921.

It is a balanced prime because it is at equal distance from previous prime (12948211) and next prime (12948223).

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 1279161 = 3416^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 12948217 - 23 = 12948209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12948211) 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, 6474108 + 6474109.

It is an arithmetic number, because the mean of its divisors is an integer number (6474109).

Almost surely, 212948217 is an apocalyptic number.

It is an amenable number.

12948217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12948217 is an equidigital number, since it uses as much as digits as its factorization.

12948217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 12948217 is about 3598.3631000776. The cubic root of 12948217 is about 234.8208503338.

The spelling of 12948217 in words is "twelve million, nine hundred forty-eight thousand, two hundred seventeen".