12675181 has 2 divisors, whose sum is σ = 12675182. Its totient is φ = 12675180.

The previous prime is 12675161. The next prime is 12675199. The reversal of 12675181 is 18157621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 1512900 = 3341^2 + 1230^2 .

It is a cyclic number.

It is not a de Polignac number, because 12675181 - 2¹⁷ = 12544109 is a prime.

It is a super-2 number, since 2×12675181² = 321320426765522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12675121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6337590 + 6337591.

It is an arithmetic number, because the mean of its divisors is an integer number (6337591).

Almost surely, 2^12675181 is an apocalyptic number.

It is an amenable number.

12675181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12675181 is an equidigital number, since it uses as much as digits as its factorization.

12675181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 31.

The square root of 12675181 is about 3560.2220436372. Note that the first 3 decimals coincide. The cubic root of 12675181 is about 233.1585736781.

The spelling of 12675181 in words is "twelve million, six hundred seventy-five thousand, one hundred eighty-one".