13003889 has 2 divisors, whose sum is σ = 13003890. Its totient is φ = 13003888.

The previous prime is 13003883. The next prime is 13003937. The reversal of 13003889 is 98830031.

13003889 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 + 187489 = 3580^2 + 433^2 .

It is an emirp because it is prime and its reverse (98830031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13003889 is a prime.

It is a super-2 number, since 2×13003889² = 338202258248642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13003883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501944 + 6501945.

It is an arithmetic number, because the mean of its divisors is an integer number (6501945).

Almost surely, 2^13003889 is an apocalyptic number.

It is an amenable number.

13003889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003889 is an equidigital number, since it uses as much as digits as its factorization.

13003889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13003889 is about 3606.0905424018. The cubic root of 13003889 is about 235.1569134616.

The spelling of 13003889 in words is "thirteen million, three thousand, eight hundred eighty-nine".