12245133 has 4 divisors (see below), whose sum is σ = 16326848. Its totient is φ = 8163420.

The previous prime is 12245119. The next prime is 12245143. The reversal of 12245133 is 33154221.

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.

It is not a de Polignac number, because 12245133 - 2⁸ = 12244877 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 (12245143) 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, 2040853 + ... + 2040858.

It is an arithmetic number, because the mean of its divisors is an integer number (4081712).

Almost surely, 2^12245133 is an apocalyptic number.

It is an amenable number.

12245133 is a deficient number, since it is larger than the sum of its proper divisors (4081715).

12245133 is an equidigital number, since it uses as much as digits as its factorization.

12245133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081714.

The product of its digits is 720, while the sum is 21.

The square root of 12245133 is about 3499.3046452117. The cubic root of 12245133 is about 230.4912813161.

Adding to 12245133 its reverse (33154221), we get a palindrome (45399354).

The spelling of 12245133 in words is "twelve million, two hundred forty-five thousand, one hundred thirty-three".