14187387 has 8 divisors (see below), whose sum is σ = 18934336. Its totient is φ = 9449352.

The previous prime is 14187379. The next prime is 14187403. The reversal of 14187387 is 78378141.

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

It is not a de Polignac number, because 14187387 - 2³ = 14187379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14187337) 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, 3888 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (2366792).

Almost surely, 2^14187387 is an apocalyptic number.

14187387 is a deficient number, since it is larger than the sum of its proper divisors (4746949).

14187387 is a wasteful number, since it uses less digits than its factorization.

14187387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its digits is 37632, while the sum is 39.

The square root of 14187387 is about 3766.6147931531. The cubic root of 14187387 is about 242.0847721133.

The spelling of 14187387 in words is "fourteen million, one hundred eighty-seven thousand, three hundred eighty-seven".