12546223 has 4 divisors (see below), whose sum is σ = 12601240. Its totient is φ = 12491208.

The previous prime is 12546211. The next prime is 12546229. The reversal of 12546223 is 32264521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12546223 - 2²¹ = 10449071 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 (12546229) 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, 27165 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (3150310).

Almost surely, 2^12546223 is an apocalyptic number.

12546223 is a deficient number, since it is larger than the sum of its proper divisors (55017).

12546223 is an equidigital number, since it uses as much as digits as its factorization.

12546223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55016.

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

The square root of 12546223 is about 3542.0647933091. The cubic root of 12546223 is about 232.3651540109.

It can be divided in two parts, 12546 and 223, that added together give a square (12769 = 113²).

The spelling of 12546223 in words is "twelve million, five hundred forty-six thousand, two hundred twenty-three".