12271384 has 16 divisors (see below), whose sum is σ = 23287320. Its totient is φ = 6061440.

The previous prime is 12271349. The next prime is 12271403. The reversal of 12271384 is 48317221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8577 + ... + 9904.

Almost surely, 2^12271384 is an apocalyptic number.

It is an amenable number.

12271384 is a deficient number, since it is larger than the sum of its proper divisors (11015936).

12271384 is a wasteful number, since it uses less digits than its factorization.

12271384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18570 (or 18566 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12271384 is about 3503.0535251406. The cubic root of 12271384 is about 230.6558720970.

The spelling of 12271384 in words is "twelve million, two hundred seventy-one thousand, three hundred eighty-four".