12583891 has 2 divisors, whose sum is σ = 12583892. Its totient is φ = 12583890.

The previous prime is 12583889. The next prime is 12583897. The reversal of 12583891 is 19838521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12583891 - 2¹ = 12583889 is a prime.

Together with 12583889, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12583891.

It is not a weakly prime, because it can be changed into another prime (12583897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6291945 + 6291946.

It is an arithmetic number, because the mean of its divisors is an integer number (6291946).

Almost surely, 2^12583891 is an apocalyptic number.

12583891 is a deficient number, since it is larger than the sum of its proper divisors (1).

12583891 is an equidigital number, since it uses as much as digits as its factorization.

12583891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 12583891 is about 3547.3780458248. The cubic root of 12583891 is about 232.5974679020.

The spelling of 12583891 in words is "twelve million, five hundred eighty-three thousand, eight hundred ninety-one".