12830689 has 2 divisors, whose sum is σ = 12830690. Its totient is φ = 12830688.

The previous prime is 12830677. The next prime is 12830693. The reversal of 12830689 is 98603821.

12830689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 824464 = 3465^2 + 908^2 .

It is an emirp because it is prime and its reverse (98603821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12830689 - 2⁷ = 12830561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12830639) 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, 6415344 + 6415345.

It is an arithmetic number, because the mean of its divisors is an integer number (6415345).

Almost surely, 2^12830689 is an apocalyptic number.

It is an amenable number.

12830689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12830689 is an equidigital number, since it uses as much as digits as its factorization.

12830689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12830689 is about 3581.9951144579. The cubic root of 12830689 is about 234.1082181404.

The spelling of 12830689 in words is "twelve million, eight hundred thirty thousand, six hundred eighty-nine".