12918339 has 16 divisors (see below), whose sum is σ = 21872640. Its totient is φ = 7381800.

The previous prime is 12918329. The next prime is 12918349. The reversal of 12918339 is 93381921.

It is an interprime number because it is at equal distance from previous prime (12918329) and next prime (12918349).

It is not a de Polignac number, because 12918339 - 2¹³ = 12910147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12918319) 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 15 ways as a sum of consecutive naturals, for example, 33987 + ... + 34364.

It is an arithmetic number, because the mean of its divisors is an integer number (1367040).

Almost surely, 2^12918339 is an apocalyptic number.

12918339 is a deficient number, since it is larger than the sum of its proper divisors (8954301).

12918339 is an equidigital number, since it uses as much as digits as its factorization.

12918339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68367 (or 68361 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 12918339 is about 3594.2090924152. The cubic root of 12918339 is about 234.6400949256.

The spelling of 12918339 in words is "twelve million, nine hundred eighteen thousand, three hundred thirty-nine".