14688887 has 2 divisors, whose sum is σ = 14688888. Its totient is φ = 14688886.

The previous prime is 14688871. The next prime is 14688893. The reversal of 14688887 is 78888641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14688887 - 2⁴ = 14688871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14688847) 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, 7344443 + 7344444.

It is an arithmetic number, because the mean of its divisors is an integer number (7344444).

Almost surely, 2^14688887 is an apocalyptic number.

14688887 is a deficient number, since it is larger than the sum of its proper divisors (1).

14688887 is an equidigital number, since it uses as much as digits as its factorization.

14688887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 50.

The square root of 14688887 is about 3832.6083807245. The cubic root of 14688887 is about 244.9042357926.

The spelling of 14688887 in words is "fourteen million, six hundred eighty-eight thousand, eight hundred eighty-seven".