14312720 has 20 divisors (see below), whose sum is σ = 33277260. Its totient is φ = 5725056.

The previous prime is 14312707. The next prime is 14312743. The reversal of 14312720 is 2721341.

It can be written as a sum of positive squares in 2 ways, for example, as 7573504 + 6739216 = 2752^2 + 2596^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14312692 and 14312701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89375 + ... + 89534.

It is an arithmetic number, because the mean of its divisors is an integer number (1663863).

Almost surely, 2^14312720 is an apocalyptic number.

14312720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14312720 is an abundant number, since it is smaller than the sum of its proper divisors (18964540).

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

14312720 is a wasteful number, since it uses less digits than its factorization.

14312720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178922 (or 178916 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 14312720 is about 3783.2155635121. The cubic root of 14312720 is about 242.7955513607.

The spelling of 14312720 in words is "fourteen million, three hundred twelve thousand, seven hundred twenty".