14238687 has 4 divisors (see below), whose sum is σ = 18984920. Its totient is φ = 9492456.

The previous prime is 14238667. The next prime is 14238691. The reversal of 14238687 is 78683241.

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

It is not a de Polignac number, because 14238687 - 2¹¹ = 14236639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14238607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373112 + ... + 2373117.

It is an arithmetic number, because the mean of its divisors is an integer number (4746230).

Almost surely, 2^14238687 is an apocalyptic number.

14238687 is a deficient number, since it is larger than the sum of its proper divisors (4746233).

14238687 is an equidigital number, since it uses as much as digits as its factorization.

14238687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746232.

The product of its digits is 64512, while the sum is 39.

The square root of 14238687 is about 3773.4184766601. The cubic root of 14238687 is about 242.3762049261.

The spelling of 14238687 in words is "fourteen million, two hundred thirty-eight thousand, six hundred eighty-seven".