12325181 has 12 divisors (see below), whose sum is σ = 13918716. Its totient is φ = 10897920.

The previous prime is 12325163. The next prime is 12325193. The reversal of 12325181 is 18152321.

It is a happy number.

12325181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11256025 + 1069156 = 3355^2 + 1034^2 .

It is not a de Polignac number, because 12325181 - 2¹⁴ = 12308797 is a prime.

It is a super-2 number, since 2×12325181² = 303820173365522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3101 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1159893).

Almost surely, 2^12325181 is an apocalyptic number.

12325181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12325181 is a deficient number, since it is larger than the sum of its proper divisors (1593535).

12325181 is a wasteful number, since it uses less digits than its factorization.

12325181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2801 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 12325181 is about 3510.7237145637. The cubic root of 12325181 is about 230.9924411737.

The spelling of 12325181 in words is "twelve million, three hundred twenty-five thousand, one hundred eighty-one".