12984418 has 8 divisors (see below), whose sum is σ = 19491948. Its totient is φ = 6487104.

The previous prime is 12984403. The next prime is 12984427. The reversal of 12984418 is 81448921.

It can be written as a sum of positive squares in 2 ways, for example, as 12981609 + 2809 = 3603^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12984418² = 337190221597448, which contains 22 as substring.

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, 3430 + ... + 6142.

Almost surely, 2^12984418 is an apocalyptic number.

12984418 is a deficient number, since it is larger than the sum of its proper divisors (6507530).

12984418 is a wasteful number, since it uses less digits than its factorization.

12984418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108.

The product of its digits is 18432, while the sum is 37.

The square root of 12984418 is about 3603.3897929588. The cubic root of 12984418 is about 235.0394863481.

The spelling of 12984418 in words is "twelve million, nine hundred eighty-four thousand, four hundred eighteen".