14023921 has 2 divisors, whose sum is σ = 14023922. Its totient is φ = 14023920.

The previous prime is 14023913. The next prime is 14023937. The reversal of 14023921 is 12932041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 1527696 = 3535^2 + 1236^2 .

It is an emirp because it is prime and its reverse (12932041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14023921 - 2³ = 14023913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14023892 and 14023901.

It is not a weakly prime, because it can be changed into another prime (14023901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7011960 + 7011961.

It is an arithmetic number, because the mean of its divisors is an integer number (7011961).

Almost surely, 2^14023921 is an apocalyptic number.

It is an amenable number.

14023921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14023921 is an equidigital number, since it uses as much as digits as its factorization.

14023921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14023921 is about 3744.8526005705. The cubic root of 14023921 is about 241.1514173892.

Adding to 14023921 its reverse (12932041), we get a palindrome (26955962).

The spelling of 14023921 in words is "fourteen million, twenty-three thousand, nine hundred twenty-one".