12287012 has 6 divisors (see below), whose sum is σ = 21502278. Its totient is φ = 6143504.

The previous prime is 12286999. The next prime is 12287017. The reversal of 12287012 is 21078221.

It can be written as a sum of positive squares in only one way, i.e., 10137856 + 2149156 = 3184^2 + 1466^2 .

It is not an unprimeable number, because it can be changed into a prime (12287017) 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 as a sum of consecutive naturals, namely, 1535873 + ... + 1535880.

It is an arithmetic number, because the mean of its divisors is an integer number (3583713).

Almost surely, 2^12287012 is an apocalyptic number.

It is an amenable number.

12287012 is a deficient number, since it is larger than the sum of its proper divisors (9215266).

12287012 is a wasteful number, since it uses less digits than its factorization.

12287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071757 (or 3071755 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12287012 is about 3505.2834407505. The cubic root of 12287012 is about 230.7537464368.

The spelling of 12287012 in words is "twelve million, two hundred eighty-seven thousand, twelve".