13984519 has 2 divisors, whose sum is σ = 13984520. Its totient is φ = 13984518.

The previous prime is 13984517. The next prime is 13984543. The reversal of 13984519 is 91548931.

13984519 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 is an emirp because it is prime and its reverse (91548931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13984519 - 2¹ = 13984517 is a prime.

It is a super-2 number, since 2×13984519² = 391133543322722, which contains 22 as substring.

Together with 13984517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13984511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992259 + 6992260.

It is an arithmetic number, because the mean of its divisors is an integer number (6992260).

Almost surely, 2^13984519 is an apocalyptic number.

13984519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13984519 is an equidigital number, since it uses as much as digits as its factorization.

13984519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 40.

The square root of 13984519 is about 3739.5880789199. The cubic root of 13984519 is about 240.9253569564.

The spelling of 13984519 in words is "thirteen million, nine hundred eighty-four thousand, five hundred nineteen".