14163021 has 6 divisors (see below), whose sum is σ = 20457710. Its totient is φ = 9442008.

The previous prime is 14163011. The next prime is 14163043. The reversal of 14163021 is 12036141.

It is a happy number.

14163021 is a `hidden beast` number, since 14 + 1 + 630 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11634921 + 2528100 = 3411^2 + 1590^2 .

It is not a de Polignac number, because 14163021 - 2⁷ = 14162893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14162985 and 14163003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14163011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786826 + ... + 786843.

Almost surely, 2^14163021 is an apocalyptic number.

It is an amenable number.

14163021 is a deficient number, since it is larger than the sum of its proper divisors (6294689).

14163021 is a wasteful number, since it uses less digits than its factorization.

14163021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573675 (or 1573672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 14163021 is about 3763.3789338838. The cubic root of 14163021 is about 241.9461039278.

Adding to 14163021 its reverse (12036141), we get a palindrome (26199162).

The spelling of 14163021 in words is "fourteen million, one hundred sixty-three thousand, twenty-one".