14505520 has 40 divisors (see below), whose sum is σ = 34819200. Its totient is φ = 5614080.

The previous prime is 14505511. The next prime is 14505523. The reversal of 14505520 is 2550541.

14505520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×14505520² = 420820220940800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14505491 and 14505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14505523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^14505520 is an apocalyptic number.

14505520 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 14505520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17409600).

14505520 is an abundant number, since it is smaller than the sum of its proper divisors (20313680).

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

14505520 is a wasteful number, since it uses less digits than its factorization.

14505520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893 (or 5887 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 14505520 is about 3808.6112954724. The cubic root of 14505520 is about 243.8808878454.

The spelling of 14505520 in words is "fourteen million, five hundred five thousand, five hundred twenty".