12285724 has 12 divisors (see below), whose sum is σ = 23454648. Its totient is φ = 5584400.

The previous prime is 12285709. The next prime is 12285731. The reversal of 12285724 is 42758221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139567 + ... + 139654.

It is an arithmetic number, because the mean of its divisors is an integer number (1954554).

Almost surely, 2^12285724 is an apocalyptic number.

It is an amenable number.

12285724 is a deficient number, since it is larger than the sum of its proper divisors (11168924).

12285724 is a wasteful number, since it uses less digits than its factorization.

12285724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279236 (or 279234 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 12285724 is about 3505.0997132749. The cubic root of 12285724 is about 230.7456831471.

The spelling of 12285724 in words is "twelve million, two hundred eighty-five thousand, seven hundred twenty-four".