12984591 has 8 divisors (see below), whose sum is σ = 17331840. Its totient is φ = 8646872.

The previous prime is 12984571. The next prime is 12984599. The reversal of 12984591 is 19548921.

12984591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12984591 - 2⁶ = 12984527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12984599) 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, 1900 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (2166480).

Almost surely, 2^12984591 is an apocalyptic number.

12984591 is a deficient number, since it is larger than the sum of its proper divisors (4347249).

12984591 is a wasteful number, since it uses less digits than its factorization.

12984591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its digits is 25920, while the sum is 39.

The square root of 12984591 is about 3603.4137980532. The cubic root of 12984591 is about 235.0405302057.

The spelling of 12984591 in words is "twelve million, nine hundred eighty-four thousand, five hundred ninety-one".