12984406 has 4 divisors (see below), whose sum is σ = 19476612. Its totient is φ = 6492202.

The previous prime is 12984403. The next prime is 12984427. The reversal of 12984406 is 60448921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246100 + ... + 3246103.

It is an arithmetic number, because the mean of its divisors is an integer number (4869153).

Almost surely, 2^12984406 is an apocalyptic number.

12984406 is a deficient number, since it is larger than the sum of its proper divisors (6492206).

12984406 is an equidigital number, since it uses as much as digits as its factorization.

12984406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492205.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12984406 is about 3603.3881278597. The cubic root of 12984406 is about 235.0394139415.

The spelling of 12984406 in words is "twelve million, nine hundred eighty-four thousand, four hundred six".