14043021 has 4 divisors (see below), whose sum is σ = 18724032. Its totient is φ = 9362012.

The previous prime is 14043013. The next prime is 14043023. The reversal of 14043021 is 12034041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12034041 = 3 ⋅4011347.

It is a cyclic number.

It is not a de Polignac number, because 14043021 - 2³ = 14043013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14043023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340501 + ... + 2340506.

It is an arithmetic number, because the mean of its divisors is an integer number (4681008).

Almost surely, 2^14043021 is an apocalyptic number.

It is an amenable number.

14043021 is a deficient number, since it is larger than the sum of its proper divisors (4681011).

14043021 is an equidigital number, since it uses as much as digits as its factorization.

14043021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 14043021 is about 3747.4018999835. The cubic root of 14043021 is about 241.2608471413.

Adding to 14043021 its reverse (12034041), we get a palindrome (26077062).

The spelling of 14043021 in words is "fourteen million, forty-three thousand, twenty-one".