12289339 has 2 divisors, whose sum is σ = 12289340. Its totient is φ = 12289338.

The previous prime is 12289327. The next prime is 12289367. The reversal of 12289339 is 93398221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12289339 - 2¹⁵ = 12256571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12289298 and 12289307.

It is not a weakly prime, because it can be changed into another prime (12289309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6144669 + 6144670.

It is an arithmetic number, because the mean of its divisors is an integer number (6144670).

Almost surely, 2^12289339 is an apocalyptic number.

12289339 is a deficient number, since it is larger than the sum of its proper divisors (1).

12289339 is an equidigital number, since it uses as much as digits as its factorization.

12289339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 12289339 is about 3505.6153525451. The cubic root of 12289339 is about 230.7683127684.

The spelling of 12289339 in words is "twelve million, two hundred eighty-nine thousand, three hundred thirty-nine".