12319724 has 6 divisors (see below), whose sum is σ = 21559524. Its totient is φ = 6159860.

The previous prime is 12319717. The next prime is 12319729. The reversal of 12319724 is 42791321.

It is not an unprimeable number, because it can be changed into a prime (12319729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1539962 + ... + 1539969.

It is an arithmetic number, because the mean of its divisors is an integer number (3593254).

Almost surely, 2^12319724 is an apocalyptic number.

It is an amenable number.

12319724 is a deficient number, since it is larger than the sum of its proper divisors (9239800).

12319724 is a wasteful number, since it uses less digits than its factorization.

12319724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079935 (or 3079933 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 12319724 is about 3509.9464383378. The cubic root of 12319724 is about 230.9583453436.

The spelling of 12319724 in words is "twelve million, three hundred nineteen thousand, seven hundred twenty-four".