13984787 has 2 divisors, whose sum is σ = 13984788. Its totient is φ = 13984786.

The previous prime is 13984783. The next prime is 13984807. The reversal of 13984787 is 78748931.

It is a weak prime.

It is an emirp because it is prime and its reverse (78748931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13984787 - 2² = 13984783 is a prime.

It is not a weakly prime, because it can be changed into another prime (13984783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992393 + 6992394.

It is an arithmetic number, because the mean of its divisors is an integer number (6992394).

Almost surely, 2^13984787 is an apocalyptic number.

13984787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13984787 is an equidigital number, since it uses as much as digits as its factorization.

13984787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 13984787 is about 3739.6239115719. The cubic root of 13984787 is about 240.9268959817.

The spelling of 13984787 in words is "thirteen million, nine hundred eighty-four thousand, seven hundred eighty-seven".