12285712 has 10 divisors (see below), whose sum is σ = 23803598. Its totient is φ = 6142848.

The previous prime is 12285709. The next prime is 12285731. The reversal of 12285712 is 21758221.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 147456 = 3484^2 + 384^2 .

It is a nialpdrome in base 16.

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 as a sum of consecutive naturals, namely, 383913 + ... + 383944.

Almost surely, 2^12285712 is an apocalyptic number.

It is an amenable number.

12285712 is a deficient number, since it is larger than the sum of its proper divisors (11517886).

12285712 is an equidigital number, since it uses as much as digits as its factorization.

12285712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767865 (or 767859 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 12285712 is about 3505.0980014830. The cubic root of 12285712 is about 230.7456080207.

The spelling of 12285712 in words is "twelve million, two hundred eighty-five thousand, seven hundred twelve".