12481033 has 4 divisors (see below), whose sum is σ = 12497680. Its totient is φ = 12464388.

The previous prime is 12480997. The next prime is 12481039. The reversal of 12481033 is 33018421.

12481033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 33018421 = 163 ⋅202567.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12481033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12480995 and 12481013.

It is not an unprimeable number, because it can be changed into a prime (12481039) 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, 7143 + ... + 8716.

It is an arithmetic number, because the mean of its divisors is an integer number (3124420).

Almost surely, 2^12481033 is an apocalyptic number.

It is an amenable number.

12481033 is a deficient number, since it is larger than the sum of its proper divisors (16647).

12481033 is an equidigital number, since it uses as much as digits as its factorization.

12481033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12481033 is about 3532.8505487779. The cubic root of 12481033 is about 231.9619995727.

Adding to 12481033 its reverse (33018421), we get a palindrome (45499454).

The spelling of 12481033 in words is "twelve million, four hundred eighty-one thousand, thirty-three".