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12769693 is a prime number
BaseRepresentation
bin110000101101…
…100110011101
3220000202201121
4300231212131
511232112233
61133410541
7213353266
oct60554635
926022647
1012769693
117232072
124339a51
132851441
1419a596d
1511c392d
hexc2d99d

12769693 has 2 divisors, whose sum is σ = 12769694. Its totient is φ = 12769692.

The previous prime is 12769663. The next prime is 12769697. The reversal of 12769693 is 39696721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12766329 + 3364 = 3573^2 + 58^2 .

It is an emirp because it is prime and its reverse (39696721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12769693 - 217 = 12638621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12769697) 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, 6384846 + 6384847.

It is an arithmetic number, because the mean of its divisors is an integer number (6384847).

Almost surely, 212769693 is an apocalyptic number.

It is an amenable number.

12769693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12769693 is an equidigital number, since it uses as much as digits as its factorization.

12769693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 12769693 is about 3573.4707218613. The cubic root of 12769693 is about 233.7366518920.

The spelling of 12769693 in words is "twelve million, seven hundred sixty-nine thousand, six hundred ninety-three".