12272984 has 16 divisors (see below), whose sum is σ = 24012720. Its totient is φ = 5869600.

The previous prime is 12272983. The next prime is 12272987. The reversal of 12272984 is 48927221.

12272984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12272984² = 301252272528512, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33167 + ... + 33534.

It is an arithmetic number, because the mean of its divisors is an integer number (1500795).

Almost surely, 2^12272984 is an apocalyptic number.

It is an amenable number.

12272984 is a deficient number, since it is larger than the sum of its proper divisors (11739736).

12272984 is a wasteful number, since it uses less digits than its factorization.

12272984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66730 (or 66726 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 12272984 is about 3503.2818898855. The cubic root of 12272984 is about 230.6658963224.

The spelling of 12272984 in words is "twelve million, two hundred seventy-two thousand, nine hundred eighty-four".