14179987 has 4 divisors (see below), whose sum is σ = 14212440. Its totient is φ = 14147536.

The previous prime is 14179943. The next prime is 14179993. The reversal of 14179987 is 78997141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14179987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14179387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15562 + ... + 16447.

It is an arithmetic number, because the mean of its divisors is an integer number (3553110).

Almost surely, 2^14179987 is an apocalyptic number.

14179987 is a deficient number, since it is larger than the sum of its proper divisors (32453).

14179987 is an equidigital number, since it uses as much as digits as its factorization.

14179987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32452.

The product of its digits is 127008, while the sum is 46.

The square root of 14179987 is about 3765.6323506152. The cubic root of 14179987 is about 242.0426751233.

The spelling of 14179987 in words is "fourteen million, one hundred seventy-nine thousand, nine hundred eighty-seven".