12790389 has 8 divisors (see below), whose sum is σ = 17070912. Its totient is φ = 8518400.

The previous prime is 12790381. The next prime is 12790399. The reversal of 12790389 is 98309721.

12790389 is digitally balanced in base 2 and base 4, because in such bases 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 12790389 - 2³ = 12790381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12790381) 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, 3472 + ... + 6134.

It is an arithmetic number, because the mean of its divisors is an integer number (2133864).

Almost surely, 2^12790389 is an apocalyptic number.

It is an amenable number.

12790389 is a deficient number, since it is larger than the sum of its proper divisors (4280523).

12790389 is a wasteful number, since it uses less digits than its factorization.

12790389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 12790389 is about 3576.3653336873. The cubic root of 12790389 is about 233.8628570338.

The spelling of 12790389 in words is "twelve million, seven hundred ninety thousand, three hundred eighty-nine".