12267912 has 16 divisors (see below), whose sum is σ = 30669840. Its totient is φ = 4089296.

The previous prime is 12267889. The next prime is 12267923. The reversal of 12267912 is 21976221.

It is a self number, because there is not a number n which added to its sum of digits gives 12267912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255558 + ... + 255605.

It is an arithmetic number, because the mean of its divisors is an integer number (1916865).

Almost surely, 2^12267912 is an apocalyptic number.

12267912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12267912 is an abundant number, since it is smaller than the sum of its proper divisors (18401928).

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

12267912 is a wasteful number, since it uses less digits than its factorization.

12267912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511172 (or 511168 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 12267912 is about 3502.5579224333. The cubic root of 12267912 is about 230.6341165307.

The spelling of 12267912 in words is "twelve million, two hundred sixty-seven thousand, nine hundred twelve".