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12968213 is a prime number
BaseRepresentation
bin110001011110…
…000100010101
3220101212001012
4301132010111
511304440323
61141542005
7215141126
oct61360425
926355035
1012968213
117358235
124414905
1328c08cb
141a1804d
151212678
hexc5e115

12968213 has 2 divisors, whose sum is σ = 12968214. Its totient is φ = 12968212.

The previous prime is 12968209. The next prime is 12968269. The reversal of 12968213 is 31286921.

12968213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12909649 + 58564 = 3593^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12968213 - 22 = 12968209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12968213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12968273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6484106 + 6484107.

It is an arithmetic number, because the mean of its divisors is an integer number (6484107).

Almost surely, 212968213 is an apocalyptic number.

It is an amenable number.

12968213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12968213 is an equidigital number, since it uses as much as digits as its factorization.

12968213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 12968213 is about 3601.1405137817. The cubic root of 12968213 is about 234.9416665232.

The spelling of 12968213 in words is "twelve million, nine hundred sixty-eight thousand, two hundred thirteen".