12428044 has 6 divisors (see below), whose sum is σ = 21749084. Its totient is φ = 6214020.

The previous prime is 12428021. The next prime is 12428047. The reversal of 12428044 is 44082421.

12428044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12428047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553502 + ... + 1553509.

Almost surely, 2^12428044 is an apocalyptic number.

It is an amenable number.

12428044 is a deficient number, since it is larger than the sum of its proper divisors (9321040).

12428044 is a wasteful number, since it uses less digits than its factorization.

12428044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107015 (or 3107013 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 12428044 is about 3525.3431038695. The cubic root of 12428044 is about 231.6332642236.

The spelling of 12428044 in words is "twelve million, four hundred twenty-eight thousand, forty-four".