12188941 has 2 divisors, whose sum is σ = 12188942. Its totient is φ = 12188940.

The previous prime is 12188927. The next prime is 12188951. The reversal of 12188941 is 14988121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9126441 + 3062500 = 3021^2 + 1750^2 .

It is an emirp because it is prime and its reverse (14988121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12188941 - 2¹¹ = 12186893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12188897 and 12188906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12188951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094470 + 6094471.

It is an arithmetic number, because the mean of its divisors is an integer number (6094471).

Almost surely, 2^12188941 is an apocalyptic number.

It is an amenable number.

12188941 is a deficient number, since it is larger than the sum of its proper divisors (1).

12188941 is an equidigital number, since it uses as much as digits as its factorization.

12188941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 34.

The square root of 12188941 is about 3491.2663891488. The cubic root of 12188941 is about 230.1381715458.

The spelling of 12188941 in words is "twelve million, one hundred eighty-eight thousand, nine hundred forty-one".