14187939 has 8 divisors (see below), whose sum is σ = 18982992. Its totient is φ = 9425760.

The previous prime is 14187923. The next prime is 14187967. The reversal of 14187939 is 93978141.

It is a happy number.

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

It is not a de Polignac number, because 14187939 - 2⁴ = 14187923 is a prime.

It is a super-2 number, since 2×14187939² = 402595226135442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14187939.

It is not an unprimeable number, because it can be changed into a prime (14187919) 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, 7192 + ... + 8949.

It is an arithmetic number, because the mean of its divisors is an integer number (2372874).

Almost surely, 2^14187939 is an apocalyptic number.

14187939 is a deficient number, since it is larger than the sum of its proper divisors (4795053).

14187939 is a wasteful number, since it uses less digits than its factorization.

14187939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16437.

The product of its digits is 54432, while the sum is 42.

The square root of 14187939 is about 3766.6880677858. The cubic root of 14187939 is about 242.0879117345.

The spelling of 14187939 in words is "fourteen million, one hundred eighty-seven thousand, nine hundred thirty-nine".