12294728 has 32 divisors (see below), whose sum is σ = 23794560. Its totient is φ = 5952960.

The previous prime is 12294713. The next prime is 12294731. The reversal of 12294728 is 82749221.

12294728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 45233 + ... + 45503.

It is an arithmetic number, because the mean of its divisors is an integer number (743580).

Almost surely, 2^12294728 is an apocalyptic number.

It is an amenable number.

12294728 is a deficient number, since it is larger than the sum of its proper divisors (11499832).

12294728 is a wasteful number, since it uses less digits than its factorization.

12294728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 433 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12294728 is about 3506.3838922742. The cubic root of 12294728 is about 230.8020392556.

The spelling of 12294728 in words is "twelve million, two hundred ninety-four thousand, seven hundred twenty-eight".