13194689 has 2 divisors, whose sum is σ = 13194690. Its totient is φ = 13194688.

The previous prime is 13194673. The next prime is 13194697. The reversal of 13194689 is 98649131.

13194689 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., 10660225 + 2534464 = 3265^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 13194689 - 2⁴ = 13194673 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13194289) 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, 6597344 + 6597345.

It is an arithmetic number, because the mean of its divisors is an integer number (6597345).

Almost surely, 2^13194689 is an apocalyptic number.

It is an amenable number.

13194689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13194689 is an equidigital number, since it uses as much as digits as its factorization.

13194689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 13194689 is about 3632.4494490633. The cubic root of 13194689 is about 236.3014497466.

The spelling of 13194689 in words is "thirteen million, one hundred ninety-four thousand, six hundred eighty-nine".