14204021 has 8 divisors (see below), whose sum is σ = 15401400. Its totient is φ = 13021632.

The previous prime is 14203979. The next prime is 14204051. The reversal of 14204021 is 12040241.

It can be written as a sum of positive squares in 4 ways, for example, as 1876900 + 12327121 = 1370^2 + 3511^2 .

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

It is not a de Polignac number, because 14204021 - 2¹⁰ = 14202997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14203987 and 14204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14204051) 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, 1730 + ... + 5603.

It is an arithmetic number, because the mean of its divisors is an integer number (1925175).

Almost surely, 2^14204021 is an apocalyptic number.

It is an amenable number.

14204021 is a deficient number, since it is larger than the sum of its proper divisors (1197379).

14204021 is a wasteful number, since it uses less digits than its factorization.

14204021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7495.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 14204021 is about 3768.8222298219. The cubic root of 14204021 is about 242.1793459149.

Adding to 14204021 its reverse (12040241), we get a palindrome (26244262).

The spelling of 14204021 in words is "fourteen million, two hundred four thousand, twenty-one".