12210984 has 48 divisors (see below), whose sum is σ = 33289620. Its totient is φ = 4043520.

The previous prime is 12210983. The next prime is 12211009. The reversal of 12210984 is 48901221.

It can be written as a sum of positive squares in 2 ways, for example, as 8122500 + 4088484 = 2850^2 + 2022^2 .

It is not an unprimeable number, because it can be changed into a prime (12210983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12564 + ... + 13500.

Almost surely, 2^12210984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16644810).

12210984 is an abundant number, since it is smaller than the sum of its proper divisors (21078636).

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

12210984 is a wasteful number, since it uses less digits than its factorization.

12210984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12210984 is about 3494.4218405911. The cubic root of 12210984 is about 230.2768185577.

The spelling of 12210984 in words is "twelve million, two hundred ten thousand, nine hundred eighty-four".