14065021 has 2 divisors, whose sum is σ = 14065022. Its totient is φ = 14065020.

The previous prime is 14065013. The next prime is 14065031. The reversal of 14065021 is 12056041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8328996 + 5736025 = 2886^2 + 2395^2 .

It is an emirp because it is prime and its reverse (12056041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14065021 - 2³ = 14065013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14065021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14065031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7032510 + 7032511.

It is an arithmetic number, because the mean of its divisors is an integer number (7032511).

Almost surely, 2^14065021 is an apocalyptic number.

It is an amenable number.

14065021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14065021 is an equidigital number, since it uses as much as digits as its factorization.

14065021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 14065021 is about 3750.3361182699. The cubic root of 14065021 is about 241.3867689858.

The spelling of 14065021 in words is "fourteen million, sixty-five thousand, twenty-one".