12508223 has 8 divisors (see below), whose sum is σ = 15394848. Its totient is φ = 9896544.

The previous prime is 12508219. The next prime is 12508229. The reversal of 12508223 is 32280521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12508223 - 2² = 12508219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68636 + ... + 68817.

It is an arithmetic number, because the mean of its divisors is an integer number (1924356).

Almost surely, 2^12508223 is an apocalyptic number.

12508223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12508223 is a deficient number, since it is larger than the sum of its proper divisors (2886625).

12508223 is a wasteful number, since it uses less digits than its factorization.

12508223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137473.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12508223 is about 3536.6966225561. The cubic root of 12508223 is about 232.1303209054.

Adding to 12508223 its reverse (32280521), we get a palindrome (44788744).

The spelling of 12508223 in words is "twelve million, five hundred eight thousand, two hundred twenty-three".