12080520 has 96 divisors (see below), whose sum is σ = 40996800. Its totient is φ = 3079296.

The previous prime is 12080513. The next prime is 12080533. The reversal of 12080520 is 2508021.

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 = 12080493 and 12080502.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7551 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (427050).

Almost surely, 2^12080520 is an apocalyptic number.

12080520 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 12080520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20498400).

12080520 is an abundant number, since it is smaller than the sum of its proper divisors (28916280).

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

12080520 is a wasteful number, since it uses less digits than its factorization.

12080520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12080520 is about 3475.7042451854. The cubic root of 12080520 is about 229.4537762717.

Adding to 12080520 its reverse (2508021), we get a palindrome (14588541).

The spelling of 12080520 in words is "twelve million, eighty thousand, five hundred twenty".