14431320 has 48 divisors (see below), whose sum is σ = 46902960. Its totient is φ = 3848256.

The previous prime is 14431301. The next prime is 14431349. The reversal of 14431320 is 2313441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 14431293 and 14431302.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 19684 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (977145).

Almost surely, 2^14431320 is an apocalyptic number.

14431320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14431320 is an abundant number, since it is smaller than the sum of its proper divisors (32471640).

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

14431320 is a wasteful number, since it uses less digits than its factorization.

14431320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40104 (or 40097 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14431320 is about 3798.8577230531. The cubic root of 14431320 is about 243.4643359568.

Adding to 14431320 its reverse (2313441), we get a palindrome (16744761).

The spelling of 14431320 in words is "fourteen million, four hundred thirty-one thousand, three hundred twenty".