13984111 has 2 divisors, whose sum is σ = 13984112. Its totient is φ = 13984110.

The previous prime is 13984063. The next prime is 13984123. The reversal of 13984111 is 11148931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13984111 - 2¹¹ = 13982063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13984111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13984211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992055 + 6992056.

It is an arithmetic number, because the mean of its divisors is an integer number (6992056).

Almost surely, 2^13984111 is an apocalyptic number.

13984111 is a deficient number, since it is larger than the sum of its proper divisors (1).

13984111 is an equidigital number, since it uses as much as digits as its factorization.

13984111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 28.

The square root of 13984111 is about 3739.5335270592. The cubic root of 13984111 is about 240.9230139250.

The spelling of 13984111 in words is "thirteen million, nine hundred eighty-four thousand, one hundred eleven".