12586423 has 2 divisors, whose sum is σ = 12586424. Its totient is φ = 12586422.

The previous prime is 12586421. The next prime is 12586447. The reversal of 12586423 is 32468521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12586423 - 2¹ = 12586421 is a prime.

Together with 12586421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12586421) 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 as a sum of consecutive naturals, namely, 6293211 + 6293212.

It is an arithmetic number, because the mean of its divisors is an integer number (6293212).

Almost surely, 2^12586423 is an apocalyptic number.

12586423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12586423 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 12586423 = (25613284)₉.

12586423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 12586423 is about 3547.7349111792. The cubic root of 12586423 is about 232.6130671390.

The spelling of 12586423 in words is "twelve million, five hundred eighty-six thousand, four hundred twenty-three".