14014009 has 4 divisors (see below), whose sum is σ = 14392804. Its totient is φ = 13635216.

The previous prime is 14013991. The next prime is 14014019. The reversal of 14014009 is 90041041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90041041 = 8741 ⋅10301.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 2433600 = 3403^2 + 1560^2 .

It is a cyclic number.

It is not a de Polignac number, because 14014009 - 2⁹ = 14013497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14014019) 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, 189342 + ... + 189415.

It is an arithmetic number, because the mean of its divisors is an integer number (3598201).

Almost surely, 2^14014009 is an apocalyptic number.

It is an amenable number.

14014009 is a deficient number, since it is larger than the sum of its proper divisors (378795).

14014009 is an equidigital number, since it uses as much as digits as its factorization.

14014009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378794.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 14014009 is about 3743.5289500684. The cubic root of 14014009 is about 241.0945893400.

The spelling of 14014009 in words is "fourteen million, fourteen thousand, nine".