12327520 has 24 divisors (see below), whose sum is σ = 29124144. Its totient is φ = 4930944.

The previous prime is 12327503. The next prime is 12327521. The reversal of 12327520 is 2572321.

It is a junction number, because it is equal to n+sod(n) for n = 12327491 and 12327500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12327521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38364 + ... + 38683.

It is an arithmetic number, because the mean of its divisors is an integer number (1213506).

Almost surely, 2^12327520 is an apocalyptic number.

12327520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12327520 is an abundant number, since it is smaller than the sum of its proper divisors (16796624).

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

12327520 is an equidigital number, since it uses as much as digits as its factorization.

12327520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77062 (or 77054 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12327520 is about 3511.0568209586. The cubic root of 12327520 is about 231.0070523762.

Adding to 12327520 its reverse (2572321), we get a palindrome (14899841).

The spelling of 12327520 in words is "twelve million, three hundred twenty-seven thousand, five hundred twenty".