14030921 has 2 divisors, whose sum is σ = 14030922. Its totient is φ = 14030920.

The previous prime is 14030837. The next prime is 14030923. The reversal of 14030921 is 12903041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10010896 + 4020025 = 3164^2 + 2005^2 .

It is an emirp because it is prime and its reverse (12903041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14030921 - 2¹⁴ = 14014537 is a prime.

Together with 14030923, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14030893 and 14030902.

It is not a weakly prime, because it can be changed into another prime (14030923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7015460 + 7015461.

It is an arithmetic number, because the mean of its divisors is an integer number (7015461).

Almost surely, 2^14030921 is an apocalyptic number.

It is an amenable number.

14030921 is a deficient number, since it is larger than the sum of its proper divisors (1).

14030921 is an equidigital number, since it uses as much as digits as its factorization.

14030921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 14030921 is about 3745.7871001967. The cubic root of 14030921 is about 241.1915340616.

Adding to 14030921 its reverse (12903041), we get a palindrome (26933962).

The spelling of 14030921 in words is "fourteen million, thirty thousand, nine hundred twenty-one".