12328724 has 12 divisors (see below), whose sum is σ = 21879648. Its totient is φ = 6077400.

The previous prime is 12328721. The next prime is 12328747. The reversal of 12328724 is 42782321.

12328724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328721) 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, 21422 + ... + 21989.

It is an arithmetic number, because the mean of its divisors is an integer number (1823304).

Almost surely, 2^12328724 is an apocalyptic number.

It is an amenable number.

12328724 is a deficient number, since it is larger than the sum of its proper divisors (9550924).

12328724 is a wasteful number, since it uses less digits than its factorization.

12328724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43486 (or 43484 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 12328724 is about 3511.2282751197. The cubic root of 12328724 is about 231.0145727705.

The spelling of 12328724 in words is "twelve million, three hundred twenty-eight thousand, seven hundred twenty-four".