12586523 has 2 divisors, whose sum is σ = 12586524. Its totient is φ = 12586522.

The previous prime is 12586513. The next prime is 12586537. The reversal of 12586523 is 32568521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12586523 - 2⁴ = 12586507 is a prime.

It is a super-2 number, since 2×12586523² = 316841122459058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12586523.

It is not a weakly prime, because it can be changed into another prime (12586513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6293261 + 6293262.

It is an arithmetic number, because the mean of its divisors is an integer number (6293262).

Almost surely, 2^12586523 is an apocalyptic number.

12586523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12586523 is an equidigital number, since it uses as much as digits as its factorization.

12586523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 12586523 is about 3547.7490046507. The cubic root of 12586523 is about 232.6136831796.

The spelling of 12586523 in words is "twelve million, five hundred eighty-six thousand, five hundred twenty-three".