14816665 has 4 divisors (see below), whose sum is σ = 17780004. Its totient is φ = 11853328.

The previous prime is 14816657. The next prime is 14816671. The reversal of 14816665 is 56661841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56661841 = 4457 ⋅12713.

It can be written as a sum of positive squares in 2 ways, for example, as 8139609 + 6677056 = 2853^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 14816665 - 2³ = 14816657 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481662 + ... + 1481671.

It is an arithmetic number, because the mean of its divisors is an integer number (4445001).

Almost surely, 2^14816665 is an apocalyptic number.

It is an amenable number.

14816665 is a deficient number, since it is larger than the sum of its proper divisors (2963339).

14816665 is an equidigital number, since it uses as much as digits as its factorization.

14816665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963338.

The product of its digits is 34560, while the sum is 37.

The square root of 14816665 is about 3849.2421331997. The cubic root of 14816665 is about 245.6123236945.

The spelling of 14816665 in words is "fourteen million, eight hundred sixteen thousand, six hundred sixty-five".