13192789 has 2 divisors, whose sum is σ = 13192790. Its totient is φ = 13192788.

The previous prime is 13192733. The next prime is 13192793. The reversal of 13192789 is 98729131.

13192789 is digitally balanced in base 2, 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., 12780625 + 412164 = 3575^2 + 642^2 .

It is a cyclic number.

It is not a de Polignac number, because 13192789 - 2⁷ = 13192661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13192189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6596394 + 6596395.

It is an arithmetic number, because the mean of its divisors is an integer number (6596395).

Almost surely, 2^13192789 is an apocalyptic number.

It is an amenable number.

13192789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13192789 is an equidigital number, since it uses as much as digits as its factorization.

13192789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The square root of 13192789 is about 3632.1879081347. The cubic root of 13192789 is about 236.2901069428.

The spelling of 13192789 in words is "thirteen million, one hundred ninety-two thousand, seven hundred eighty-nine".