12267672 has 16 divisors (see below), whose sum is σ = 30669240. Its totient is φ = 4089216.

The previous prime is 12267641. The next prime is 12267677. The reversal of 12267672 is 27676221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267677) by changing a digit.

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, 255553 + ... + 255600.

Almost surely, 2^12267672 is an apocalyptic number.

12267672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12267672 is an abundant number, since it is smaller than the sum of its proper divisors (18401568).

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

12267672 is a wasteful number, since it uses less digits than its factorization.

12267672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511162 (or 511158 counting only the distinct ones).

The product of its digits is 14112, while the sum is 33.

The square root of 12267672 is about 3502.5236615903. The cubic root of 12267672 is about 230.6326125380.

The spelling of 12267672 in words is "twelve million, two hundred sixty-seven thousand, six hundred seventy-two".