14210639 has 4 divisors (see below), whose sum is σ = 14278200. Its totient is φ = 14143080.

The previous prime is 14210629. The next prime is 14210653. The reversal of 14210639 is 93601241.

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-14210639 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 (14210629) 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, 33464 + ... + 33885.

It is an arithmetic number, because the mean of its divisors is an integer number (3569550).

Almost surely, 2^14210639 is an apocalyptic number.

14210639 is a deficient number, since it is larger than the sum of its proper divisors (67561).

14210639 is an equidigital number, since it uses as much as digits as its factorization.

14210639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67560.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 14210639 is about 3769.7001206993. The cubic root of 14210639 is about 242.2169524972.

The spelling of 14210639 in words is "fourteen million, two hundred ten thousand, six hundred thirty-nine".