12130289 has 2 divisors, whose sum is σ = 12130290. Its totient is φ = 12130288.

The previous prime is 12130259. The next prime is 12130309. The reversal of 12130289 is 98203121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 5678689 = 2540^2 + 2383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12130289 is a prime.

It is a super-2 number, since 2×12130289² = 294287822447042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12130259) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065144 + 6065145.

It is an arithmetic number, because the mean of its divisors is an integer number (6065145).

Almost surely, 2^12130289 is an apocalyptic number.

It is an amenable number.

12130289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130289 is an equidigital number, since it uses as much as digits as its factorization.

12130289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12130289 is about 3482.8564426344. The cubic root of 12130289 is about 229.7684437037.

The spelling of 12130289 in words is "twelve million, one hundred thirty thousand, two hundred eighty-nine".