12683389 has 2 divisors, whose sum is σ = 12683390. Its totient is φ = 12683388.

The previous prime is 12683383. The next prime is 12683399. The reversal of 12683389 is 98338621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12659364 + 24025 = 3558^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 12683389 - 2⁵ = 12683357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12683383) 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 as a sum of consecutive naturals, namely, 6341694 + 6341695.

It is an arithmetic number, because the mean of its divisors is an integer number (6341695).

Almost surely, 2^12683389 is an apocalyptic number.

It is an amenable number.

12683389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12683389 is an equidigital number, since it uses as much as digits as its factorization.

12683389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 40.

The square root of 12683389 is about 3561.3745941701. The cubic root of 12683389 is about 233.2088912403.

The spelling of 12683389 in words is "twelve million, six hundred eighty-three thousand, three hundred eighty-nine".