12124873 has 4 divisors (see below), whose sum is σ = 12131860. Its totient is φ = 12117888.

The previous prime is 12124867. The next prime is 12124891. The reversal of 12124873 is 37842121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10517049 + 1607824 = 3243^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 12124873 - 2⁹ = 12124361 is a prime.

It is a super-2 number, since 2×12124873² = 294025090532258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124843) 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, 1333 + ... + 5101.

It is an arithmetic number, because the mean of its divisors is an integer number (3032965).

Almost surely, 2^12124873 is an apocalyptic number.

It is an amenable number.

12124873 is a deficient number, since it is larger than the sum of its proper divisors (6987).

12124873 is an equidigital number, since it uses as much as digits as its factorization.

12124873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986.

The product of its digits is 2688, while the sum is 28.

The square root of 12124873 is about 3482.0788331110. The cubic root of 12124873 is about 229.7342425086.

Adding to 12124873 its reverse (37842121), we get a palindrome (49966994).

The spelling of 12124873 in words is "twelve million, one hundred twenty-four thousand, eight hundred seventy-three".