14003021 has 8 divisors (see below), whose sum is σ = 14649984. Its totient is φ = 13359280.

The previous prime is 14003009. The next prime is 14003023. The reversal of 14003021 is 12030041.

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 a de Polignac number, because none of the positive numbers 2^k-14003021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14002993 and 14003011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14003023) 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, 14411 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (1831248).

Almost surely, 2^14003021 is an apocalyptic number.

It is an amenable number.

14003021 is a deficient number, since it is larger than the sum of its proper divisors (646963).

14003021 is an equidigital number, since it uses as much as digits as its factorization.

14003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 14003021 is about 3742.0610631041. The cubic root of 14003021 is about 241.0315609797.

Adding to 14003021 its reverse (12030041), we get a palindrome (26033062).

The spelling of 14003021 in words is "fourteen million, three thousand, twenty-one".