12428372 has 24 divisors (see below), whose sum is σ = 24760512. Its totient is φ = 5403200.

The previous prime is 12428329. The next prime is 12428389. The reversal of 12428372 is 27382421.

12428372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 7152.

It is an arithmetic number, because the mean of its divisors is an integer number (1031688).

Almost surely, 2^12428372 is an apocalyptic number.

It is an amenable number.

12428372 is a deficient number, since it is larger than the sum of its proper divisors (12332140).

12428372 is a wasteful number, since it uses less digits than its factorization.

12428372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319 (or 12317 counting only the distinct ones).

The product of its digits is 5376, while the sum is 29.

The square root of 12428372 is about 3525.3896238572. The cubic root of 12428372 is about 231.6353019549.

The spelling of 12428372 in words is "twelve million, four hundred twenty-eight thousand, three hundred seventy-two".