12334520 has 96 divisors (see below), whose sum is σ = 32492880. Its totient is φ = 4177920.

The previous prime is 12334519. The next prime is 12334523. The reversal of 12334520 is 2543321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12334492 and 12334501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12334523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127112 + ... + 127208.

Almost surely, 2^12334520 is an apocalyptic number.

12334520 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 12334520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16246440).

12334520 is an abundant number, since it is smaller than the sum of its proper divisors (20158360).

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

12334520 is a wasteful number, since it uses less digits than its factorization.

12334520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 12334520 is about 3512.0535303438. The cubic root of 12334520 is about 231.0507687492.

Adding to 12334520 its reverse (2543321), we get a palindrome (14877841).

It can be divided in two parts, 123 and 34520, that added together give a palindrome (34643).

The spelling of 12334520 in words is "twelve million, three hundred thirty-four thousand, five hundred twenty".