12374428 has 36 divisors (see below), whose sum is σ = 24481576. Its totient is φ = 5464800.

The previous prime is 12374407. The next prime is 12374447. The reversal of 12374428 is 82447321.

It is a self number, because there is not a number n which added to its sum of digits gives 12374428.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17563 + ... + 18253.

Almost surely, 2^12374428 is an apocalyptic number.

It is an amenable number.

12374428 is a deficient number, since it is larger than the sum of its proper divisors (12107148).

12374428 is a wasteful number, since it uses less digits than its factorization.

12374428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 741 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 12374428 is about 3517.7305183882. The cubic root of 12374428 is about 231.2996866208.

It can be divided in two parts, 1237 and 4428, that added together give a palindrome (5665).

The spelling of 12374428 in words is "twelve million, three hundred seventy-four thousand, four hundred twenty-eight".