12930189 has 4 divisors (see below), whose sum is σ = 17240256. Its totient is φ = 8620124.

The previous prime is 12930179. The next prime is 12930199. The reversal of 12930189 is 98103921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12930179) and next prime (12930199).

It is a cyclic number.

It is not a de Polignac number, because 12930189 - 2¹¹ = 12928141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2155029 + ... + 2155034.

It is an arithmetic number, because the mean of its divisors is an integer number (4310064).

Almost surely, 2^12930189 is an apocalyptic number.

It is an amenable number.

12930189 is a deficient number, since it is larger than the sum of its proper divisors (4310067).

12930189 is an equidigital number, since it uses as much as digits as its factorization.

12930189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310066.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12930189 is about 3595.8571996118. The cubic root of 12930189 is about 234.7118181654.

The spelling of 12930189 in words is "twelve million, nine hundred thirty thousand, one hundred eighty-nine".