12081523 has 2 divisors, whose sum is σ = 12081524. Its totient is φ = 12081522.

The previous prime is 12081497. The next prime is 12081527. The reversal of 12081523 is 32518021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12081523 - 2⁹ = 12081011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12081494 and 12081503.

It is not a weakly prime, because it can be changed into another prime (12081527) 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, 6040761 + 6040762.

It is an arithmetic number, because the mean of its divisors is an integer number (6040762).

Almost surely, 2^12081523 is an apocalyptic number.

12081523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081523 is an equidigital number, since it uses as much as digits as its factorization.

12081523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12081523 is about 3475.8485294961. The cubic root of 12081523 is about 229.4601263231.

Adding to 12081523 its reverse (32518021), we get a palindrome (44599544).

The spelling of 12081523 in words is "twelve million, eighty-one thousand, five hundred twenty-three".