12544123 has 4 divisors (see below), whose sum is σ = 13204360. Its totient is φ = 11883888.

The previous prime is 12544111. The next prime is 12544127. The reversal of 12544123 is 32144521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32144521 = 43 ⋅747547.

It is a cyclic number.

It is not a de Polignac number, because 12544123 - 2²¹ = 10446971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12544094 and 12544103.

It is not an unprimeable number, because it can be changed into a prime (12544127) 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, 330090 + ... + 330127.

It is an arithmetic number, because the mean of its divisors is an integer number (3301090).

Almost surely, 2^12544123 is an apocalyptic number.

12544123 is a deficient number, since it is larger than the sum of its proper divisors (660237).

12544123 is an equidigital number, since it uses as much as digits as its factorization.

12544123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660236.

The product of its digits is 960, while the sum is 22.

The square root of 12544123 is about 3541.7683436385. The cubic root of 12544123 is about 232.3521887795.

Adding to 12544123 its reverse (32144521), we get a palindrome (44688644).

The spelling of 12544123 in words is "twelve million, five hundred forty-four thousand, one hundred twenty-three".