12319928 has 8 divisors (see below), whose sum is σ = 23099880. Its totient is φ = 6159960.

The previous prime is 12319921. The next prime is 12319963. The reversal of 12319928 is 82991321.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12319921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769988 + ... + 770003.

It is an arithmetic number, because the mean of its divisors is an integer number (2887485).

Almost surely, 2^12319928 is an apocalyptic number.

It is an amenable number.

12319928 is a deficient number, since it is larger than the sum of its proper divisors (10779952).

12319928 is a wasteful number, since it uses less digits than its factorization.

12319928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539997 (or 1539993 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 12319928 is about 3509.9754984900. The cubic root of 12319928 is about 230.9596201352.

The spelling of 12319928 in words is "twelve million, three hundred nineteen thousand, nine hundred twenty-eight".