14400065 has 8 divisors (see below), whose sum is σ = 17310888. Its totient is φ = 11499520.

The previous prime is 14400059. The next prime is 14400079. The reversal of 14400065 is 56000441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9096256 + 5303809 = 3016^2 + 2303^2 .

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

It is not a de Polignac number, because 14400065 - 2¹⁰ = 14399041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

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, 959 + ... + 5451.

It is an arithmetic number, because the mean of its divisors is an integer number (2163861).

Almost surely, 2^14400065 is an apocalyptic number.

It is an amenable number.

14400065 is a deficient number, since it is larger than the sum of its proper divisors (2910823).

14400065 is an equidigital number, since it uses as much as digits as its factorization.

14400065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14400065 is about 3794.7417566944. The cubic root of 14400065 is about 243.2884458808.

The spelling of 14400065 in words is "fourteen million, four hundred thousand, sixty-five".