12041145 has 12 divisors (see below), whose sum is σ = 20871396. Its totient is φ = 6421920.

The previous prime is 12041143. The next prime is 12041147. The reversal of 12041145 is 54114021.

12041145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12041143) and next prime (12041147).

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 10169721 = 1368^2 + 3189^2 .

It is not a de Polignac number, because 12041145 - 2¹ = 12041143 is a prime.

It is a super-2 number, since 2×12041145² = 289978345822050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12041143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133746 + ... + 133835.

It is an arithmetic number, because the mean of its divisors is an integer number (1739283).

Almost surely, 2^12041145 is an apocalyptic number.

12041145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12041145 is a deficient number, since it is larger than the sum of its proper divisors (8830251).

12041145 is a wasteful number, since it uses less digits than its factorization.

12041145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267592 (or 267589 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12041145 is about 3470.0353024141. The cubic root of 12041145 is about 229.2042126178.

Adding to 12041145 its reverse (54114021), we get a palindrome (66155166).

The spelling of 12041145 in words is "twelve million, forty-one thousand, one hundred forty-five".