12847289 has 8 divisors (see below), whose sum is σ = 15812160. Its totient is φ = 10164816.

The previous prime is 12847283. The next prime is 12847313. The reversal of 12847289 is 98274821.

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 12847289 - 2⁴ = 12847273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12847283) 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, 70499 + ... + 70680.

It is an arithmetic number, because the mean of its divisors is an integer number (1976520).

Almost surely, 2^12847289 is an apocalyptic number.

It is an amenable number.

12847289 is a deficient number, since it is larger than the sum of its proper divisors (2964871).

12847289 is a wasteful number, since it uses less digits than its factorization.

12847289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141199.

The product of its digits is 64512, while the sum is 41.

The square root of 12847289 is about 3584.3115098998. The cubic root of 12847289 is about 234.2091356015.

The spelling of 12847289 in words is "twelve million, eight hundred forty-seven thousand, two hundred eighty-nine".