12719928 has 64 divisors (see below), whose sum is σ = 34876800. Its totient is φ = 3841920.

The previous prime is 12719891. The next prime is 12719929. The reversal of 12719928 is 82991721.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12719929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18063 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (544950).

Almost surely, 2^12719928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12719928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17438400).

12719928 is an abundant number, since it is smaller than the sum of its proper divisors (22156872).

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

12719928 is a wasteful number, since it uses less digits than its factorization.

12719928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 768 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 12719928 is about 3566.5008061123. The cubic root of 12719928 is about 233.4326235028.

The spelling of 12719928 in words is "twelve million, seven hundred nineteen thousand, nine hundred twenty-eight".