14004720 has 120 divisors (see below), whose sum is σ = 48050496. Its totient is φ = 3654144.

The previous prime is 14004707. The next prime is 14004737. The reversal of 14004720 is 2740041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×14004720² = 392264364556800, which contains 22 as substring.

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 = 14004693 and 14004702.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 37977 + ... + 38343.

Almost surely, 2^14004720 is an apocalyptic number.

14004720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14004720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24025248).

14004720 is an abundant number, since it is smaller than the sum of its proper divisors (34045776).

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

14004720 is a wasteful number, since it uses less digits than its factorization.

14004720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 14004720 is about 3742.2880701517. The cubic root of 14004720 is about 241.0413087825.

Adding to 14004720 its reverse (2740041), we get a palindrome (16744761).

The spelling of 14004720 in words is "fourteen million, four thousand, seven hundred twenty".