12267988 has 24 divisors (see below), whose sum is σ = 22024800. Its totient is φ = 5977248.

The previous prime is 12267973. The next prime is 12268013. The reversal of 12267988 is 88976221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53458 + ... + 53686.

It is an arithmetic number, because the mean of its divisors is an integer number (917700).

Almost surely, 2^12267988 is an apocalyptic number.

It is an amenable number.

12267988 is a deficient number, since it is larger than the sum of its proper divisors (9756812).

12267988 is a wasteful number, since it uses less digits than its factorization.

12267988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 12267988 is about 3502.5687716303. The cubic root of 12267988 is about 230.6345927909.

The spelling of 12267988 in words is "twelve million, two hundred sixty-seven thousand, nine hundred eighty-eight".