14117987 has 8 divisors (see below), whose sum is σ = 15316896. Its totient is φ = 12935232.

The previous prime is 14117959. The next prime is 14118017. The reversal of 14117987 is 78971141.

It is a happy number.

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 14117987 - 2⁶ = 14117923 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 14117987.

It is not an unprimeable number, because it can be changed into a prime (14117947) 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, 2183 + ... + 5744.

It is an arithmetic number, because the mean of its divisors is an integer number (1914612).

Almost surely, 2^14117987 is an apocalyptic number.

14117987 is a deficient number, since it is larger than the sum of its proper divisors (1198909).

14117987 is a wasteful number, since it uses less digits than its factorization.

14117987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077.

The product of its digits is 14112, while the sum is 38.

The square root of 14117987 is about 3757.3909831158. The cubic root of 14117987 is about 241.6893938726.

The spelling of 14117987 in words is "fourteen million, one hundred seventeen thousand, nine hundred eighty-seven".