14065421 has 4 divisors (see below), whose sum is σ = 14258172. Its totient is φ = 13872672.

The previous prime is 14065393. The next prime is 14065427. The reversal of 14065421 is 12456041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6056521 + 8008900 = 2461^2 + 2830^2 .

It is a cyclic number.

It is not a de Polignac number, because 14065421 - 2⁶ = 14065357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14065427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96266 + ... + 96411.

It is an arithmetic number, because the mean of its divisors is an integer number (3564543).

Almost surely, 2^14065421 is an apocalyptic number.

It is an amenable number.

14065421 is a deficient number, since it is larger than the sum of its proper divisors (192751).

14065421 is an equidigital number, since it uses as much as digits as its factorization.

14065421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192750.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14065421 is about 3750.3894464442. The cubic root of 14065421 is about 241.3890572581.

The spelling of 14065421 in words is "fourteen million, sixty-five thousand, four hundred twenty-one".