12448133 has 4 divisors (see below), whose sum is σ = 12751788. Its totient is φ = 12144480.

The previous prime is 12448099. The next prime is 12448151. The reversal of 12448133 is 33184421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 10647169 = 1342^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 12448133 - 2¹² = 12444037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448153) 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, 151766 + ... + 151847.

It is an arithmetic number, because the mean of its divisors is an integer number (3187947).

Almost surely, 2^12448133 is an apocalyptic number.

It is an amenable number.

12448133 is a deficient number, since it is larger than the sum of its proper divisors (303655).

12448133 is an equidigital number, since it uses as much as digits as its factorization.

12448133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303654.

The product of its digits is 2304, while the sum is 26.

The square root of 12448133 is about 3528.1911796273. The cubic root of 12448133 is about 231.7580029641.

The spelling of 12448133 in words is "twelve million, four hundred forty-eight thousand, one hundred thirty-three".