14004905 has 4 divisors (see below), whose sum is σ = 16805892. Its totient is φ = 11203920.

The previous prime is 14004899. The next prime is 14004911. The reversal of 14004905 is 50940041.

It is a happy number.

14004905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (14004899) and next prime (14004911).

It can be written as a sum of positive squares in 2 ways, for example, as 6677056 + 7327849 = 2584^2 + 2707^2 .

It is not a de Polignac number, because 14004905 - 2⁸ = 14004649 is a prime.

It is a super-2 number, since 2×14004905² = 392274728118050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400486 + ... + 1400495.

It is an arithmetic number, because the mean of its divisors is an integer number (4201473).

Almost surely, 2^14004905 is an apocalyptic number.

It is an amenable number.

14004905 is a deficient number, since it is larger than the sum of its proper divisors (2800987).

14004905 is an equidigital number, since it uses as much as digits as its factorization.

14004905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800986.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 14004905 is about 3742.3127875687. The cubic root of 14004905 is about 241.0423701496.

Adding to 14004905 its reverse (50940041), we get a palindrome (64944946).

The spelling of 14004905 in words is "fourteen million, four thousand, nine hundred five".