14081021 has 2 divisors, whose sum is σ = 14081022. Its totient is φ = 14081020.

The previous prime is 14081017. The next prime is 14081029. The reversal of 14081021 is 12018041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 2102500 = 3461^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 14081021 - 2² = 14081017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14081029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7040510 + 7040511.

It is an arithmetic number, because the mean of its divisors is an integer number (7040511).

Almost surely, 2^14081021 is an apocalyptic number.

It is an amenable number.

14081021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14081021 is an equidigital number, since it uses as much as digits as its factorization.

14081021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 14081021 is about 3752.4686540996. The cubic root of 14081021 is about 241.4782660579.

Adding to 14081021 its reverse (12018041), we get a palindrome (26099062).

The spelling of 14081021 in words is "fourteen million, eighty-one thousand, twenty-one".