13349389 has 2 divisors, whose sum is σ = 13349390. Its totient is φ = 13349388.

The previous prime is 13349359. The next prime is 13349411. The reversal of 13349389 is 98394331.

13349389 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., 12369289 + 980100 = 3517^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 13349389 - 2⁷ = 13349261 is a prime.

It is a super-3 number, since 3×13349389³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13349359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6674694 + 6674695.

It is an arithmetic number, because the mean of its divisors is an integer number (6674695).

Almost surely, 2^13349389 is an apocalyptic number.

It is an amenable number.

13349389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13349389 is an equidigital number, since it uses as much as digits as its factorization.

13349389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 13349389 is about 3653.6815679531. The cubic root of 13349389 is about 237.2213626090.

The spelling of 13349389 in words is "thirteen million, three hundred forty-nine thousand, three hundred eighty-nine".