12909383 has 8 divisors (see below), whose sum is σ = 13272336. Its totient is φ = 12548800.

The previous prime is 12909353. The next prime is 12909389. The reversal of 12909383 is 38390921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12909383 - 2⁶ = 12909319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12909389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18560 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (1659042).

Almost surely, 2^12909383 is an apocalyptic number.

12909383 is a deficient number, since it is larger than the sum of its proper divisors (362953).

12909383 is an equidigital number, since it uses as much as digits as its factorization.

12909383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12909383 is about 3592.9629833885. The cubic root of 12909383 is about 234.5858587862.

The spelling of 12909383 in words is "twelve million, nine hundred nine thousand, three hundred eighty-three".