12247984 has 20 divisors (see below), whose sum is σ = 27120784. Its totient is φ = 5249088.

The previous prime is 12247981. The next prime is 12248011. The reversal of 12247984 is 48974221.

It is a super-2 number, since 2×12247984² = 300026224128512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12247981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54567 + ... + 54790.

Almost surely, 2^12247984 is an apocalyptic number.

12247984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12247984 is an abundant number, since it is smaller than the sum of its proper divisors (14872800).

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

12247984 is a wasteful number, since it uses less digits than its factorization.

12247984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109372 (or 109366 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 12247984 is about 3499.7119881499. The cubic root of 12247984 is about 230.5091681410.

It can be divided in two parts, 12247 and 984, that added together give a palindrome (13231).

The spelling of 12247984 in words is "twelve million, two hundred forty-seven thousand, nine hundred eighty-four".