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12968171 is a prime number
BaseRepresentation
bin110001011110…
…000011101011
3220101211222122
4301132003223
511304440141
61141541455
7215141036
oct61360353
926354878
1012968171
1173581a7
12441488b
1328c0898
141a1801d
15121264b
hexc5e0eb

12968171 has 2 divisors, whose sum is σ = 12968172. Its totient is φ = 12968170.

The previous prime is 12968149. The next prime is 12968209. The reversal of 12968171 is 17186921.

It is a weak prime.

It is an emirp because it is prime and its reverse (17186921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12968171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12968471) 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, 6484085 + 6484086.

It is an arithmetic number, because the mean of its divisors is an integer number (6484086).

Almost surely, 212968171 is an apocalyptic number.

12968171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12968171 is an equidigital number, since it uses as much as digits as its factorization.

12968171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 35.

The square root of 12968171 is about 3601.1346822911. The cubic root of 12968171 is about 234.9414128886.

The spelling of 12968171 in words is "twelve million, nine hundred sixty-eight thousand, one hundred seventy-one".