12500223 has 16 divisors (see below), whose sum is σ = 17304576. Its totient is φ = 8017920.

The previous prime is 12500221. The next prime is 12500227. The reversal of 12500223 is 32200521.

It is not a de Polignac number, because 12500223 - 2¹ = 12500221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23640 + ... + 24162.

It is an arithmetic number, because the mean of its divisors is an integer number (1081536).

Almost surely, 2^12500223 is an apocalyptic number.

12500223 is a deficient number, since it is larger than the sum of its proper divisors (4804353).

12500223 is a wasteful number, since it uses less digits than its factorization.

12500223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12500223 is about 3535.5654427545. The cubic root of 12500223 is about 232.0808217715.

Adding to 12500223 its reverse (32200521), we get a palindrome (44700744).

The spelling of 12500223 in words is "twelve million, five hundred thousand, two hundred twenty-three".