14143887 has 12 divisors (see below), whose sum is σ = 20765784. Its totient is φ = 9274320.

The previous prime is 14143867. The next prime is 14143891. The reversal of 14143887 is 78834141.

14143887 is a `hidden beast` number, since 141 + 438 + 87 = 666.

It is not a de Polignac number, because 14143887 - 2⁸ = 14143631 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12333 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (1730482).

Almost surely, 2^14143887 is an apocalyptic number.

14143887 is a deficient number, since it is larger than the sum of its proper divisors (6621897).

14143887 is a wasteful number, since it uses less digits than its factorization.

14143887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25830 (or 25827 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 14143887 is about 3760.8359443081. The cubic root of 14143887 is about 241.8370998044.

The spelling of 14143887 in words is "fourteen million, one hundred forty-three thousand, eight hundred eighty-seven".