14130021 has 8 divisors (see below), whose sum is σ = 18881280. Its totient is φ = 9399392.

The previous prime is 14130007. The next prime is 14130029. The reversal of 14130021 is 12003141.

It is a happy number.

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 14130021 - 2⁶ = 14129957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14129979 and 14130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14130029) 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, 3480 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (2360160).

Almost surely, 2^14130021 is an apocalyptic number.

It is an amenable number.

14130021 is a deficient number, since it is larger than the sum of its proper divisors (4751259).

14130021 is an equidigital number, since it uses as much as digits as its factorization.

14130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 14130021 is about 3758.9920191456. The cubic root of 14130021 is about 241.7580454013.

Adding to 14130021 its reverse (12003141), we get a palindrome (26133162).

The spelling of 14130021 in words is "fourteen million, one hundred thirty thousand, twenty-one".