13889411 has 2 divisors, whose sum is σ = 13889412. Its totient is φ = 13889410.

The previous prime is 13889389. The next prime is 13889413. The reversal of 13889411 is 11498831.

It is a strong prime.

It is an emirp because it is prime and its reverse (11498831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13889411 - 2¹⁰ = 13888387 is a prime.

Together with 13889413, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13889413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6944705 + 6944706.

It is an arithmetic number, because the mean of its divisors is an integer number (6944706).

Almost surely, 2^13889411 is an apocalyptic number.

13889411 is a deficient number, since it is larger than the sum of its proper divisors (1).

13889411 is an equidigital number, since it uses as much as digits as its factorization.

13889411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 13889411 is about 3726.8500103975. The cubic root of 13889411 is about 240.3779404049.

The spelling of 13889411 in words is "thirteen million, eight hundred eighty-nine thousand, four hundred eleven".