14666320 has 20 divisors (see below), whose sum is σ = 34099380. Its totient is φ = 5866496.

The previous prime is 14666297. The next prime is 14666329. The reversal of 14666320 is 2366641.

It can be written as a sum of positive squares in 2 ways, for example, as 10188864 + 4477456 = 3192^2 + 2116^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14666329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 91585 + ... + 91744.

It is an arithmetic number, because the mean of its divisors is an integer number (1704969).

Almost surely, 2^14666320 is an apocalyptic number.

14666320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14666320 is an abundant number, since it is smaller than the sum of its proper divisors (19433060).

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

14666320 is a wasteful number, since it uses less digits than its factorization.

14666320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183342 (or 183336 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 14666320 is about 3829.6631705674. The cubic root of 14666320 is about 244.7787534781.

It can be divided in two parts, 146 and 66320, that added together give a palindrome (66466).

The spelling of 14666320 in words is "fourteen million, six hundred sixty-six thousand, three hundred twenty".