12380928 has 144 divisors (see below), whose sum is σ = 39244800. Its totient is φ = 3462144.

The previous prime is 12380911. The next prime is 12380957. The reversal of 12380928 is 82908321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263401 + ... + 263447.

Almost surely, 2^12380928 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 12380928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19622400).

12380928 is an abundant number, since it is smaller than the sum of its proper divisors (26863872).

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

12380928 is an frugal number, since it uses more digits than its factorization.

12380928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 12380928 is about 3518.6542882187. The cubic root of 12380928 is about 231.3401783186.

The spelling of 12380928 in words is "twelve million, three hundred eighty thousand, nine hundred twenty-eight".