12285996 has 12 divisors (see below), whose sum is σ = 28667352. Its totient is φ = 4095328.

The previous prime is 12285971. The next prime is 12285997. The reversal of 12285996 is 69958221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (12285997) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 511905 + ... + 511928.

It is an arithmetic number, because the mean of its divisors is an integer number (2388946).

Almost surely, 2^12285996 is an apocalyptic number.

It is an amenable number.

12285996 is an abundant number, since it is smaller than the sum of its proper divisors (16381356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12285996 is a wasteful number, since it uses less digits than its factorization.

12285996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023840 (or 1023838 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 12285996 is about 3505.1385136682. The cubic root of 12285996 is about 230.7473860006.

The spelling of 12285996 in words is "twelve million, two hundred eighty-five thousand, nine hundred ninety-six".