12909583 has 2 divisors, whose sum is σ = 12909584. Its totient is φ = 12909582.

The previous prime is 12909557. The next prime is 12909587. The reversal of 12909583 is 38590921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12909583 - 2⁵ = 12909551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12909587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454791 + 6454792.

It is an arithmetic number, because the mean of its divisors is an integer number (6454792).

Almost surely, 2^12909583 is an apocalyptic number.

12909583 is a deficient number, since it is larger than the sum of its proper divisors (1).

12909583 is an equidigital number, since it uses as much as digits as its factorization.

12909583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 12909583 is about 3592.9908154628. The cubic root of 12909583 is about 234.5870702288.

The spelling of 12909583 in words is "twelve million, nine hundred nine thousand, five hundred eighty-three".