12526223 has 4 divisors (see below), whose sum is σ = 12534600. Its totient is φ = 12517848.

The previous prime is 12526219. The next prime is 12526243. The reversal of 12526223 is 32262521.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12526223 - 2² = 12526219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12526243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265 + ... + 5162.

It is an arithmetic number, because the mean of its divisors is an integer number (3133650).

Almost surely, 2^12526223 is an apocalyptic number.

12526223 is a deficient number, since it is larger than the sum of its proper divisors (8377).

12526223 is an equidigital number, since it uses as much as digits as its factorization.

12526223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376.

The product of its digits is 1440, while the sum is 23.

The square root of 12526223 is about 3539.2404552389. The cubic root of 12526223 is about 232.2416168396.

Adding to 12526223 its reverse (32262521), we get a palindrome (44788744).

The spelling of 12526223 in words is "twelve million, five hundred twenty-six thousand, two hundred twenty-three".