12883109 has 2 divisors, whose sum is σ = 12883110. Its totient is φ = 12883108.

The previous prime is 12883103. The next prime is 12883111. The reversal of 12883109 is 90138821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12496225 + 386884 = 3535^2 + 622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12883109 is a prime.

It is a Sophie Germain prime.

Together with 12883111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12883103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6441554 + 6441555.

It is an arithmetic number, because the mean of its divisors is an integer number (6441555).

Almost surely, 2^12883109 is an apocalyptic number.

It is an amenable number.

12883109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12883109 is an equidigital number, since it uses as much as digits as its factorization.

12883109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12883109 is about 3589.3048073408. The cubic root of 12883109 is about 234.4266026585.

The spelling of 12883109 in words is "twelve million, eight hundred eighty-three thousand, one hundred nine".