12984219 has 18 divisors (see below), whose sum is σ = 19485180. Its totient is φ = 8651772.

The previous prime is 12984217. The next prime is 12984221. The reversal of 12984219 is 91248921.

It is an interprime number because it is at equal distance from previous prime (12984217) and next prime (12984221).

It is not a de Polignac number, because 12984219 - 2¹ = 12984217 is a prime.

It is a super-2 number, since 2×12984219² = 337179886079922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12984211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5572 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (1082510).

Almost surely, 2^12984219 is an apocalyptic number.

12984219 is a deficient number, since it is larger than the sum of its proper divisors (6500961).

12984219 is an frugal number, since it uses more digits than its factorization.

12984219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003 (or 1982 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 12984219 is about 3603.3621799647. The cubic root of 12984219 is about 235.0382855987.

It can be divided in two parts, 12984 and 219, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 12984219 in words is "twelve million, nine hundred eighty-four thousand, two hundred nineteen".