12984087 has 16 divisors (see below), whose sum is σ = 18302720. Its totient is φ = 8187480.

The previous prime is 12984053. The next prime is 12984089. The reversal of 12984087 is 78048921.

It is not a de Polignac number, because 12984087 - 2⁷ = 12983959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20262 + ... + 20892.

It is an arithmetic number, because the mean of its divisors is an integer number (1143920).

Almost surely, 2^12984087 is an apocalyptic number.

12984087 is a deficient number, since it is larger than the sum of its proper divisors (5318633).

12984087 is an frugal number, since it uses more digits than its factorization.

12984087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 12984087 is about 3603.3438636911. The cubic root of 12984087 is about 235.0374891149.

The spelling of 12984087 in words is "twelve million, nine hundred eighty-four thousand, eighty-seven".