12426523 has 2 divisors, whose sum is σ = 12426524. Its totient is φ = 12426522.

The previous prime is 12426517. The next prime is 12426559. The reversal of 12426523 is 32562421.

It is a weak prime.

It is an emirp because it is prime and its reverse (32562421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12426523 - 2¹³ = 12418331 is a prime.

It is not a weakly prime, because it can be changed into another prime (12426503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213261 + 6213262.

It is an arithmetic number, because the mean of its divisors is an integer number (6213262).

Almost surely, 2^12426523 is an apocalyptic number.

12426523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426523 is an equidigital number, since it uses as much as digits as its factorization.

12426523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 12426523 is about 3525.1273735852. The cubic root of 12426523 is about 231.6238143974.

Adding to 12426523 its reverse (32562421), we get a palindrome (44988944).

The spelling of 12426523 in words is "twelve million, four hundred twenty-six thousand, five hundred twenty-three".