12231873 has 6 divisors (see below), whose sum is σ = 17668274. Its totient is φ = 8154576.

The previous prime is 12231859. The next prime is 12231889. The reversal of 12231873 is 37813221.

It can be written as a sum of positive squares in only one way, i.e., 10575504 + 1656369 = 3252^2 + 1287^2 .

It is not a de Polignac number, because 12231873 - 2¹⁶ = 12166337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 679540 + ... + 679557.

Almost surely, 2^12231873 is an apocalyptic number.

It is an amenable number.

12231873 is a deficient number, since it is larger than the sum of its proper divisors (5436401).

12231873 is a wasteful number, since it uses less digits than its factorization.

12231873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359103 (or 1359100 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12231873 is about 3497.4094698791. The cubic root of 12231873 is about 230.4080531944.

The spelling of 12231873 in words is "twelve million, two hundred thirty-one thousand, eight hundred seventy-three".