14447021 has 2 divisors, whose sum is σ = 14447022. Its totient is φ = 14447020.

The previous prime is 14446997. The next prime is 14447029. The reversal of 14447021 is 12074441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13468900 + 978121 = 3670^2 + 989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14447021 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14447029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7223510 + 7223511.

It is an arithmetic number, because the mean of its divisors is an integer number (7223511).

Almost surely, 2^14447021 is an apocalyptic number.

It is an amenable number.

14447021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14447021 is an equidigital number, since it uses as much as digits as its factorization.

14447021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 14447021 is about 3800.9237035226. The cubic root of 14447021 is about 243.5525988013.

The spelling of 14447021 in words is "fourteen million, four hundred forty-seven thousand, twenty-one".