14081920 has 32 divisors (see below), whose sum is σ = 33666120. Its totient is φ = 5632512.

The previous prime is 14081909. The next prime is 14081923. The reversal of 14081920 is 2918041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14081923) 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, 10362 + ... + 11641.

Almost surely, 2^14081920 is an apocalyptic number.

14081920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14081920 is an abundant number, since it is smaller than the sum of its proper divisors (19584200).

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

14081920 is an equidigital number, since it uses as much as digits as its factorization.

14081920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22022 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 14081920 is about 3752.5884399971. The cubic root of 14081920 is about 241.4834049926.

Adding to 14081920 its reverse (2918041), we get a palindrome (16999961).

The spelling of 14081920 in words is "fourteen million, eighty-one thousand, nine hundred twenty".