14505665 has 16 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 11151360.

The previous prime is 14505653. The next prime is 14505679. The reversal of 14505665 is 56650541.

It can be written as a sum of positive squares in 8 ways, for example, as 495616 + 14010049 = 704^2 + 3743^2 .

It is not a de Polignac number, because 14505665 - 2⁴ = 14505649 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 16025 + ... + 16905.

It is an arithmetic number, because the mean of its divisors is an integer number (1131165).

Almost surely, 2^14505665 is an apocalyptic number.

It is an amenable number.

14505665 is a deficient number, since it is larger than the sum of its proper divisors (3592975).

14505665 is an equidigital number, since it uses as much as digits as its factorization.

14505665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 14505665 is about 3808.6303312346. The cubic root of 14505665 is about 243.8817004696.

The spelling of 14505665 in words is "fourteen million, five hundred five thousand, six hundred sixty-five".