12984127 has 4 divisors (see below), whose sum is σ = 13982920. Its totient is φ = 11985336.

The previous prime is 12984113. The next prime is 12984149. The reversal of 12984127 is 72148921.

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

It is a cyclic number.

It is not a de Polignac number, because 12984127 - 2¹⁵ = 12951359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12984092 and 12984101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499377 + ... + 499402.

It is an arithmetic number, because the mean of its divisors is an integer number (3495730).

Almost surely, 2^12984127 is an apocalyptic number.

12984127 is a deficient number, since it is larger than the sum of its proper divisors (998793).

12984127 is an equidigital number, since it uses as much as digits as its factorization.

12984127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998792.

The product of its digits is 8064, while the sum is 34.

The square root of 12984127 is about 3603.3494140868. The cubic root of 12984127 is about 235.0377304742.

The spelling of 12984127 in words is "twelve million, nine hundred eighty-four thousand, one hundred twenty-seven".