12324720 has 80 divisors (see below), whose sum is σ = 38702880. Its totient is φ = 3244032.

The previous prime is 12324691. The next prime is 12324731. The reversal of 12324720 is 2742321.

12324720 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 (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21072 + ... + 21648.

It is an arithmetic number, because the mean of its divisors is an integer number (483786).

Almost surely, 2^12324720 is an apocalyptic number.

12324720 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 12324720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19351440).

12324720 is an abundant number, since it is smaller than the sum of its proper divisors (26378160).

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

12324720 is a wasteful number, since it uses less digits than its factorization.

12324720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12324720 is about 3510.6580579715. The cubic root of 12324720 is about 230.9895611932.

The spelling of 12324720 in words is "twelve million, three hundred twenty-four thousand, seven hundred twenty".