12523873 has 4 divisors (see below), whose sum is σ = 12645568. Its totient is φ = 12402180.

The previous prime is 12523859. The next prime is 12523877. The reversal of 12523873 is 37832521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37832521 = 613 ⋅61717.

It is a cyclic number.

It is not a de Polignac number, because 12523873 - 2¹³ = 12515681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12523877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60693 + ... + 60898.

It is an arithmetic number, because the mean of its divisors is an integer number (3161392).

Almost surely, 2^12523873 is an apocalyptic number.

It is an amenable number.

12523873 is a deficient number, since it is larger than the sum of its proper divisors (121695).

12523873 is a wasteful number, since it uses less digits than its factorization.

12523873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121694.

The product of its digits is 10080, while the sum is 31.

The square root of 12523873 is about 3538.9084475301. The cubic root of 12523873 is about 232.2270925909.

The spelling of 12523873 in words is "twelve million, five hundred twenty-three thousand, eight hundred seventy-three".