14216987 has 8 divisors (see below), whose sum is σ = 14536704. Its totient is φ = 13900968.

The previous prime is 14216977. The next prime is 14217001. The reversal of 14216987 is 78961241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14216987 - 2⁴ = 14216971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14216987.

It is not an unprimeable number, because it can be changed into a prime (14216927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7718 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (1817088).

Almost surely, 2^14216987 is an apocalyptic number.

14216987 is a deficient number, since it is larger than the sum of its proper divisors (319717).

14216987 is a wasteful number, since it uses less digits than its factorization.

14216987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849.

The product of its digits is 24192, while the sum is 38.

The square root of 14216987 is about 3770.5420034791. The cubic root of 14216987 is about 242.2530138435.

The spelling of 14216987 in words is "fourteen million, two hundred sixteen thousand, nine hundred eighty-seven".