14009421 has 8 divisors (see below), whose sum is σ = 19184224. Its totient is φ = 9087120.

The previous prime is 14009417. The next prime is 14009447. The reversal of 14009421 is 12490041.

14009421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14009421 - 2² = 14009417 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 (14009521) 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, 62995 + ... + 63216.

It is an arithmetic number, because the mean of its divisors is an integer number (2398028).

Almost surely, 2^14009421 is an apocalyptic number.

It is an amenable number.

14009421 is a deficient number, since it is larger than the sum of its proper divisors (5174803).

14009421 is a wasteful number, since it uses less digits than its factorization.

14009421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126251.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 14009421 is about 3742.9161091320. The cubic root of 14009421 is about 241.0682760818.

Adding to 14009421 its reverse (12490041), we get a palindrome (26499462).

The spelling of 14009421 in words is "fourteen million, nine thousand, four hundred twenty-one".