12136601 has 2 divisors, whose sum is σ = 12136602. Its totient is φ = 12136600.

The previous prime is 12136583. The next prime is 12136609. The reversal of 12136601 is 10663121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7557001 + 4579600 = 2749^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12136601 - 2¹⁰ = 12135577 is a prime.

It is a super-3 number, since 3×12136601³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12136609) 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, 6068300 + 6068301.

It is an arithmetic number, because the mean of its divisors is an integer number (6068301).

Almost surely, 2^12136601 is an apocalyptic number.

It is an amenable number.

12136601 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136601 is an equidigital number, since it uses as much as digits as its factorization.

12136601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12136601 is about 3483.7624775521. The cubic root of 12136601 is about 229.8082901557.

Adding to 12136601 its reverse (10663121), we get a palindrome (22799722).

The spelling of 12136601 in words is "twelve million, one hundred thirty-six thousand, six hundred one".