12984215 has 8 divisors (see below), whose sum is σ = 15601920. Its totient is φ = 10373472.

The previous prime is 12984211. The next prime is 12984217. The reversal of 12984215 is 51248921.

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

It is a cyclic number.

It is not a de Polignac number, because 12984215 - 2² = 12984211 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4241 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (1950240).

Almost surely, 2^12984215 is an apocalyptic number.

12984215 is a deficient number, since it is larger than the sum of its proper divisors (2617705).

12984215 is a wasteful number, since it uses less digits than its factorization.

12984215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481.

The product of its digits is 5760, while the sum is 32.

The square root of 12984215 is about 3603.3616249275. The cubic root of 12984215 is about 235.0382614629.

The spelling of 12984215 in words is "twelve million, nine hundred eighty-four thousand, two hundred fifteen".