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12850769 is a prime number
BaseRepresentation
bin110001000001…
…011001010001
3220011212221102
4301001121101
511242211034
61135234145
7214141541
oct61013121
926155842
1012850769
117287a78
124378955
13287c309
1419c7321
1511dc97e
hexc41651

12850769 has 2 divisors, whose sum is σ = 12850770. Its totient is φ = 12850768.

The previous prime is 12850727. The next prime is 12850777. The reversal of 12850769 is 96705821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 1993744 = 3295^2 + 1412^2 .

It is an emirp because it is prime and its reverse (96705821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12850769 is a prime.

It is a super-2 number, since 2×128507692 = 330284527782722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12850069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6425384 + 6425385.

It is an arithmetic number, because the mean of its divisors is an integer number (6425385).

Almost surely, 212850769 is an apocalyptic number.

It is an amenable number.

12850769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12850769 is an equidigital number, since it uses as much as digits as its factorization.

12850769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12850769 is about 3584.7969259081. The cubic root of 12850769 is about 234.2302807684.

The spelling of 12850769 in words is "twelve million, eight hundred fifty thousand, seven hundred sixty-nine".