14000520 has 64 divisors (see below), whose sum is σ = 44478720. Its totient is φ = 3513344.

The previous prime is 14000509. The next prime is 14000527. The reversal of 14000520 is 2500041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 14000496 and 14000505.

It is not an unprimeable number, because it can be changed into a prime (14000527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1392 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^14000520 is an apocalyptic number.

14000520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14000520 is an abundant number, since it is smaller than the sum of its proper divisors (30478200).

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

14000520 is a wasteful number, since it uses less digits than its factorization.

14000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 14000520 is about 3741.7268740516. The cubic root of 14000520 is about 241.0172103662.

Adding to 14000520 its reverse (2500041), we get a palindrome (16500561).

The spelling of 14000520 in words is "fourteen million, five hundred twenty", and thus it is an aban number.