Search a number
-
+
12769697 is a prime number
BaseRepresentation
bin110000101101…
…100110100001
3220000202201202
4300231212201
511232112242
61133410545
7213353303
oct60554641
926022652
1012769697
117232076
124339a55
132851445
1419a5973
1511c3932
hexc2d9a1

12769697 has 2 divisors, whose sum is σ = 12769698. Its totient is φ = 12769696.

The previous prime is 12769693. The next prime is 12769709. The reversal of 12769697 is 79696721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9728161 + 3041536 = 3119^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 12769697 - 22 = 12769693 is a prime.

It is a super-2 number, since 2×127696972 = 326130322943618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12769693) 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, 6384848 + 6384849.

It is an arithmetic number, because the mean of its divisors is an integer number (6384849).

Almost surely, 212769697 is an apocalyptic number.

It is an amenable number.

12769697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12769697 is an equidigital number, since it uses as much as digits as its factorization.

12769697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 47.

The square root of 12769697 is about 3573.4712815412. The cubic root of 12769697 is about 233.7366762974.

The spelling of 12769697 in words is "twelve million, seven hundred sixty-nine thousand, six hundred ninety-seven".