14066320 has 20 divisors (see below), whose sum is σ = 32704380. Its totient is φ = 5626496.

The previous prime is 14066309. The next prime is 14066323. The reversal of 14066320 is 2366041.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 12616704 = 1204^2 + 3552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×14066320² = 395722716684800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14066291 and 14066300.

It is not an unprimeable number, because it can be changed into a prime (14066323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87835 + ... + 87994.

It is an arithmetic number, because the mean of its divisors is an integer number (1635219).

Almost surely, 2^14066320 is an apocalyptic number.

14066320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14066320 is an abundant number, since it is smaller than the sum of its proper divisors (18638060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14066320 is a wasteful number, since it uses less digits than its factorization.

14066320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175842 (or 175836 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 14066320 is about 3750.5092987486. The cubic root of 14066320 is about 241.3941999917.

The spelling of 14066320 in words is "fourteen million, sixty-six thousand, three hundred twenty".