12267660 has 24 divisors (see below), whose sum is σ = 34349616. Its totient is φ = 3271360.

The previous prime is 12267641. The next prime is 12267677. The reversal of 12267660 is 6676221.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 7 ways as a sum of consecutive naturals, for example, 102171 + ... + 102290.

It is an arithmetic number, because the mean of its divisors is an integer number (1431234).

Almost surely, 2^12267660 is an apocalyptic number.

12267660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12267660 is an abundant number, since it is smaller than the sum of its proper divisors (22081956).

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

12267660 is a wasteful number, since it uses less digits than its factorization.

12267660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204473 (or 204471 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 12267660 is about 3502.5219485394. The cubic root of 12267660 is about 230.6325373378.

The spelling of 12267660 in words is "twelve million, two hundred sixty-seven thousand, six hundred sixty".