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12641017 is a prime number
BaseRepresentation
bin110000001110…
…001011111001
3212210020012211
4300032023321
511214003032
61130535121
7212306164
oct60161371
925706184
1012641017
117154424
1242974a1
1328079bc
141970adb
15119a747
hexc0e2f9

12641017 has 2 divisors, whose sum is σ = 12641018. Its totient is φ = 12641016.

The previous prime is 12641003. The next prime is 12641021. The reversal of 12641017 is 71014621.

12641017 is digitally balanced in base 2, 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., 12467961 + 173056 = 3531^2 + 416^2 .

It is an emirp because it is prime and its reverse (71014621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12641017 - 27 = 12640889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12641617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320508 + 6320509.

It is an arithmetic number, because the mean of its divisors is an integer number (6320509).

Almost surely, 212641017 is an apocalyptic number.

It is an amenable number.

12641017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12641017 is an equidigital number, since it uses as much as digits as its factorization.

12641017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 12641017 is about 3555.4207908488. The cubic root of 12641017 is about 232.9489041684.

Adding to 12641017 its reverse (71014621), we get a palindrome (83655638).

The spelling of 12641017 in words is "twelve million, six hundred forty-one thousand, seventeen".