14401021 has 8 divisors (see below), whose sum is σ = 14590784. Its totient is φ = 14212800.

The previous prime is 14401007. The next prime is 14401027. The reversal of 14401021 is 12010441.

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 14401021 - 2⁹ = 14400509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14400992 and 14401010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14401027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42565 + ... + 42901.

It is an arithmetic number, because the mean of its divisors is an integer number (1823848).

Almost surely, 2^14401021 is an apocalyptic number.

It is an amenable number.

14401021 is a deficient number, since it is larger than the sum of its proper divisors (189763).

14401021 is a wasteful number, since it uses less digits than its factorization.

14401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 14401021 is about 3794.8677183797. The cubic root of 14401021 is about 243.2938296206.

Adding to 14401021 its reverse (12010441), we get a palindrome (26411462).

The spelling of 14401021 in words is "fourteen million, four hundred one thousand, twenty-one".