14006945 has 8 divisors (see below), whose sum is σ = 16906536. Its totient is φ = 11140096.

The previous prime is 14006939. The next prime is 14006959. The reversal of 14006945 is 54960041.

It can be written as a sum of positive squares in 4 ways, for example, as 8479744 + 5527201 = 2912^2 + 2351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14006945 - 2¹⁶ = 13941409 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 7232 + ... + 8961.

It is an arithmetic number, because the mean of its divisors is an integer number (2113317).

Almost surely, 2^14006945 is an apocalyptic number.

It is an amenable number.

14006945 is a deficient number, since it is larger than the sum of its proper divisors (2899591).

14006945 is a wasteful number, since it uses less digits than its factorization.

14006945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 14006945 is about 3742.5853363684. The cubic root of 14006945 is about 241.0540732532.

Adding to 14006945 its reverse (54960041), we get a palindrome (68966986).

The spelling of 14006945 in words is "fourteen million, six thousand, nine hundred forty-five".