12544673 has 4 divisors (see below), whose sum is σ = 12566148. Its totient is φ = 12523200.

The previous prime is 12544669. The next prime is 12544681. The reversal of 12544673 is 37644521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7491169 + 5053504 = 2737^2 + 2248^2 .

It is a cyclic number.

It is not a de Polignac number, because 12544673 - 2² = 12544669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12544603) 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, 9836 + ... + 11037.

It is an arithmetic number, because the mean of its divisors is an integer number (3141537).

Almost surely, 2^12544673 is an apocalyptic number.

It is an amenable number.

12544673 is a deficient number, since it is larger than the sum of its proper divisors (21475).

12544673 is an equidigital number, since it uses as much as digits as its factorization.

12544673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21474.

The product of its digits is 20160, while the sum is 32.

The square root of 12544673 is about 3541.8459876172. The cubic root of 12544673 is about 232.3555845752.

The spelling of 12544673 in words is "twelve million, five hundred forty-four thousand, six hundred seventy-three".