12078928 has 20 divisors (see below), whose sum is σ = 23975028. Its totient is φ = 5891840.

The previous prime is 12078923. The next prime is 12078947. The reversal of 12078928 is 82987021.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 10419984 = 1288^2 + 3228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8551 + ... + 9862.

Almost surely, 2^12078928 is an apocalyptic number.

It is an amenable number.

12078928 is a deficient number, since it is larger than the sum of its proper divisors (11896100).

12078928 is a wasteful number, since it uses less digits than its factorization.

12078928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462 (or 18456 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12078928 is about 3475.4752193045. The cubic root of 12078928 is about 229.4436965053.

The spelling of 12078928 in words is "twelve million, seventy-eight thousand, nine hundred twenty-eight".