13356389 has 2 divisors, whose sum is σ = 13356390. Its totient is φ = 13356388.

The previous prime is 13356379. The next prime is 13356391. The reversal of 13356389 is 98365331.

13356389 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 + 2696164 = 3265^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 13356389 - 2¹⁶ = 13290853 is a prime.

Together with 13356391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13356349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6678194 + 6678195.

It is an arithmetic number, because the mean of its divisors is an integer number (6678195).

Almost surely, 2^13356389 is an apocalyptic number.

It is an amenable number.

13356389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13356389 is an equidigital number, since it uses as much as digits as its factorization.

13356389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 13356389 is about 3654.6393802946. The cubic root of 13356389 is about 237.2628191724.

The spelling of 13356389 in words is "thirteen million, three hundred fifty-six thousand, three hundred eighty-nine".