13985087 has 2 divisors, whose sum is σ = 13985088. Its totient is φ = 13985086.

The previous prime is 13985071. The next prime is 13985093. The reversal of 13985087 is 78058931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13985087 - 2⁴ = 13985071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13985017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992543 + 6992544.

It is an arithmetic number, because the mean of its divisors is an integer number (6992544).

Almost surely, 2^13985087 is an apocalyptic number.

13985087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13985087 is an equidigital number, since it uses as much as digits as its factorization.

13985087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 13985087 is about 3739.6640223421. The cubic root of 13985087 is about 240.9286187478.

The spelling of 13985087 in words is "thirteen million, nine hundred eighty-five thousand, eighty-seven".