12501223 has 6 divisors (see below), whose sum is σ = 14542296. Its totient is φ = 10715292.

The previous prime is 12501193. The next prime is 12501257. The reversal of 12501223 is 32210521.

It is not a de Polignac number, because 12501223 - 2⁵ = 12501191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12501197 and 12501206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12501283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127515 + ... + 127612.

It is an arithmetic number, because the mean of its divisors is an integer number (2423716).

Almost surely, 2^12501223 is an apocalyptic number.

12501223 is a deficient number, since it is larger than the sum of its proper divisors (2041073).

12501223 is an equidigital number, since it uses as much as digits as its factorization.

12501223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255141 (or 255134 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12501223 is about 3535.7068600211. The cubic root of 12501223 is about 232.0870103180.

Adding to 12501223 its reverse (32210521), we get a palindrome (44711744).

The spelling of 12501223 in words is "twelve million, five hundred one thousand, two hundred twenty-three".