13330489 has 2 divisors, whose sum is σ = 13330490. Its totient is φ = 13330488.

The previous prime is 13330487. The next prime is 13330523. The reversal of 13330489 is 98403331.

13330489 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., 12816400 + 514089 = 3580^2 + 717^2 .

It is a cyclic number.

It is not a de Polignac number, because 13330489 - 2¹ = 13330487 is a prime.

Together with 13330487, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13330489.

It is not a weakly prime, because it can be changed into another prime (13330483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665244 + 6665245.

It is an arithmetic number, because the mean of its divisors is an integer number (6665245).

Almost surely, 2^13330489 is an apocalyptic number.

It is an amenable number.

13330489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330489 is an equidigital number, since it uses as much as digits as its factorization.

13330489 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 31.

The square root of 13330489 is about 3651.0942195457. The cubic root of 13330489 is about 237.1093574499.

The spelling of 13330489 in words is "thirteen million, three hundred thirty thousand, four hundred eighty-nine".