14143421 has 8 divisors (see below), whose sum is σ = 14657760. Its totient is φ = 13638352.

The previous prime is 14143369. The next prime is 14143427. The reversal of 14143421 is 12434141.

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 14143421 - 2¹⁰ = 14142397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14143393 and 14143402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143427) 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, 866 + ... + 5388.

It is an arithmetic number, because the mean of its divisors is an integer number (1832220).

Almost surely, 2^14143421 is an apocalyptic number.

It is an amenable number.

14143421 is a deficient number, since it is larger than the sum of its proper divisors (514339).

14143421 is an equidigital number, since it uses as much as digits as its factorization.

14143421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635.

The product of its digits is 384, while the sum is 20.

The square root of 14143421 is about 3760.7739894867. The cubic root of 14143421 is about 241.8344438319.

Adding to 14143421 its reverse (12434141), we get a palindrome (26577562).

The spelling of 14143421 in words is "fourteen million, one hundred forty-three thousand, four hundred twenty-one".