12123573 has 32 divisors (see below), whose sum is σ = 20815872. Its totient is φ = 6091200.

The previous prime is 12123571. The next prime is 12123589. The reversal of 12123573 is 37532121.

It is not a de Polignac number, because 12123573 - 2¹ = 12123571 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6315 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (650496).

Almost surely, 2^12123573 is an apocalyptic number.

It is an amenable number.

12123573 is a deficient number, since it is larger than the sum of its proper divisors (8692299).

12123573 is a wasteful number, since it uses less digits than its factorization.

12123573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745.

The product of its digits is 1260, while the sum is 24.

The square root of 12123573 is about 3481.8921580083. The cubic root of 12123573 is about 229.7260316957.

Adding to 12123573 its reverse (37532121), we get a palindrome (49655694).

The spelling of 12123573 in words is "twelve million, one hundred twenty-three thousand, five hundred seventy-three".