12909339 has 12 divisors (see below), whose sum is σ = 18681936. Its totient is φ = 8590032.

The previous prime is 12909319. The next prime is 12909343. The reversal of 12909339 is 93390921.

It is not a de Polignac number, because 12909339 - 2²³ = 4520731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12909319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5557 + ... + 7529.

It is an arithmetic number, because the mean of its divisors is an integer number (1556828).

Almost surely, 2^12909339 is an apocalyptic number.

12909339 is a deficient number, since it is larger than the sum of its proper divisors (5772597).

12909339 is a wasteful number, since it uses less digits than its factorization.

12909339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 12909339 is about 3592.9568603032. The cubic root of 12909339 is about 234.5855922672.

The spelling of 12909339 in words is "twelve million, nine hundred nine thousand, three hundred thirty-nine".