13260389 has 2 divisors, whose sum is σ = 13260390. Its totient is φ = 13260388.

The previous prime is 13260371. The next prime is 13260413. The reversal of 13260389 is 98306231.

13260389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12837889 + 422500 = 3583^2 + 650^2 .

It is an emirp because it is prime and its reverse (98306231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13260389 - 2⁸ = 13260133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13260349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630194 + 6630195.

It is an arithmetic number, because the mean of its divisors is an integer number (6630195).

Almost surely, 2^13260389 is an apocalyptic number.

It is an amenable number.

13260389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13260389 is an equidigital number, since it uses as much as digits as its factorization.

13260389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13260389 is about 3641.4817039222. The cubic root of 13260389 is about 236.6930039679.

The spelling of 13260389 in words is "thirteen million, two hundred sixty thousand, three hundred eighty-nine".