14006520 has 192 divisors, whose sum is σ = 51891840. Its totient is φ = 3369600.

The previous prime is 14006501. The next prime is 14006527. The reversal of 14006520 is 2560041.

It is a happy number.

14006520 is a `hidden beast` number, since 14 + 0 + 0 + 652 + 0 = 666.

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 = 14006493 and 14006502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14006527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106855 + ... + 106985.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^14006520 is an apocalyptic number.

14006520 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 14006520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25945920).

14006520 is an abundant number, since it is smaller than the sum of its proper divisors (37885320).

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

14006520 is a wasteful number, since it uses less digits than its factorization.

14006520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 14006520 is about 3742.5285570053. The cubic root of 14006520 is about 241.0516352003.

Adding to 14006520 its reverse (2560041), we get a palindrome (16566561).

The spelling of 14006520 in words is "fourteen million, six thousand, five hundred twenty".