12006523 has 2 divisors, whose sum is σ = 12006524. Its totient is φ = 12006522.

The previous prime is 12006521. The next prime is 12006541. The reversal of 12006523 is 32560021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12006523 - 2¹ = 12006521 is a prime.

Together with 12006521, 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 12006523.

It is not a weakly prime, because it can be changed into another prime (12006521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003261 + 6003262.

It is an arithmetic number, because the mean of its divisors is an integer number (6003262).

Almost surely, 2^12006523 is an apocalyptic number.

12006523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006523 is an equidigital number, since it uses as much as digits as its factorization.

12006523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 12006523 is about 3465.0430011762. The cubic root of 12006523 is about 228.9843241687.

Adding to 12006523 its reverse (32560021), we get a palindrome (44566544).

The spelling of 12006523 in words is "twelve million, six thousand, five hundred twenty-three".