12789213 has 8 divisors (see below), whose sum is σ = 17080800. Its totient is φ = 8511888.

The previous prime is 12789209. The next prime is 12789229. The reversal of 12789213 is 31298721.

12789213 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 not a de Polignac number, because 12789213 - 2² = 12789209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12789233) 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 7 ways as a sum of consecutive naturals, for example, 1258 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (2135100).

Almost surely, 2^12789213 is an apocalyptic number.

It is an amenable number.

12789213 is a deficient number, since it is larger than the sum of its proper divisors (4291587).

12789213 is an equidigital number, since it uses as much as digits as its factorization.

12789213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131.

The product of its digits is 6048, while the sum is 33.

The square root of 12789213 is about 3576.2009171745. The cubic root of 12789213 is about 233.8556893824.

The spelling of 12789213 in words is "twelve million, seven hundred eighty-nine thousand, two hundred thirteen".