12172041 has 24 divisors (see below), whose sum is σ = 20508800. Its totient is φ = 6953688.

The previous prime is 12172019. The next prime is 12172049. The reversal of 12172041 is 14027121.

12172041 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12172041 - 2⁶ = 12171977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12172049) 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 23 ways as a sum of consecutive naturals, for example, 1116 + ... + 5058.

Almost surely, 2^12172041 is an apocalyptic number.

It is an amenable number.

12172041 is a deficient number, since it is larger than the sum of its proper divisors (8336759).

12172041 is an equidigital number, since it uses as much as digits as its factorization.

12172041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 12172041 is about 3488.8452244260. The cubic root of 12172041 is about 230.0317599494.

Adding to 12172041 its reverse (14027121), we get a palindrome (26199162).

The spelling of 12172041 in words is "twelve million, one hundred seventy-two thousand, forty-one".