12468728 has 32 divisors (see below), whose sum is σ = 24024000. Its totient is φ = 6065280.

The previous prime is 12468719. The next prime is 12468739. The reversal of 12468728 is 82786421.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12468691 and 12468700.

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 7 ways as a sum of consecutive naturals, for example, 68798 + ... + 68978.

It is an arithmetic number, because the mean of its divisors is an integer number (750750).

Almost surely, 2^12468728 is an apocalyptic number.

It is an amenable number.

12468728 is a deficient number, since it is larger than the sum of its proper divisors (11555272).

12468728 is a wasteful number, since it uses less digits than its factorization.

12468728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 12468728 is about 3531.1086077888. The cubic root of 12468728 is about 231.8857443747.

The spelling of 12468728 in words is "twelve million, four hundred sixty-eight thousand, seven hundred twenty-eight".