13783789 has 2 divisors, whose sum is σ = 13783790. Its totient is φ = 13783788.

The previous prime is 13783771. The next prime is 13783799. The reversal of 13783789 is 98738731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 751689 = 3610^2 + 867^2 .

It is a cyclic number.

It is not a de Polignac number, because 13783789 - 2⁷ = 13783661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13783799) 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, 6891894 + 6891895.

It is an arithmetic number, because the mean of its divisors is an integer number (6891895).

Almost surely, 2^13783789 is an apocalyptic number.

It is an amenable number.

13783789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13783789 is an equidigital number, since it uses as much as digits as its factorization.

13783789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 13783789 is about 3712.6525557881. The cubic root of 13783789 is about 239.7670714614.

The spelling of 13783789 in words is "thirteen million, seven hundred eighty-three thousand, seven hundred eighty-nine".