14000015 has 4 divisors (see below), whose sum is σ = 16800024. Its totient is φ = 11200008.

The previous prime is 13999981. The next prime is 14000029. The reversal of 14000015 is 51000041.

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

It is a cyclic number.

It is not a de Polignac number, because 14000015 - 2⁸ = 13999759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399997 + ... + 1400006.

It is an arithmetic number, because the mean of its divisors is an integer number (4200006).

Almost surely, 2^14000015 is an apocalyptic number.

14000015 is a deficient number, since it is larger than the sum of its proper divisors (2800009).

14000015 is an equidigital number, since it uses as much as digits as its factorization.

14000015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800008.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 14000015 is about 3741.6593912327. The cubic root of 14000015 is about 241.0143124940.

Adding to 14000015 its reverse (51000041), we get a palindrome (65000056).

The spelling of 14000015 in words is "fourteen million, fifteen", and thus it is an aban number.