12604181 has 2 divisors, whose sum is σ = 12604182. Its totient is φ = 12604180.

The previous prime is 12604159. The next prime is 12604199. The reversal of 12604181 is 18140621.

12604181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 1681 = 3550^2 + 41^2 .

It is an emirp because it is prime and its reverse (18140621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12604181 - 2¹⁴ = 12587797 is a prime.

It is a super-2 number, since 2×12604181² = 317730757361522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12601181) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302090 + 6302091.

It is an arithmetic number, because the mean of its divisors is an integer number (6302091).

Almost surely, 2^12604181 is an apocalyptic number.

It is an amenable number.

12604181 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604181 is an equidigital number, since it uses as much as digits as its factorization.

12604181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 12604181 is about 3550.2367526688. The cubic root of 12604181 is about 232.7224125211.

The spelling of 12604181 in words is "twelve million, six hundred four thousand, one hundred eighty-one".