14421187 has 8 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 13049160.

The previous prime is 14421181. The next prime is 14421203. The reversal of 14421187 is 78112441.

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 14421187 - 2³ = 14421179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14421181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 5392.

It is an arithmetic number, because the mean of its divisors is an integer number (1975680).

Almost surely, 2^14421187 is an apocalyptic number.

14421187 is a deficient number, since it is larger than the sum of its proper divisors (1384253).

14421187 is a wasteful number, since it uses less digits than its factorization.

14421187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its digits is 1792, while the sum is 28.

The square root of 14421187 is about 3797.5237984771. The cubic root of 14421187 is about 243.4073395132.

It can be divided in two parts, 14 and 421187, that added together give a square (421201 = 649²).

The spelling of 14421187 in words is "fourteen million, four hundred twenty-one thousand, one hundred eighty-seven".