12136361 has 2 divisors, whose sum is σ = 12136362. Its totient is φ = 12136360.

The previous prime is 12136321. The next prime is 12136367. The reversal of 12136361 is 16363121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12033961 + 102400 = 3469^2 + 320^2 .

It is an emirp because it is prime and its reverse (16363121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12136361 - 2¹⁰ = 12135337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12136367) 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, 6068180 + 6068181.

It is an arithmetic number, because the mean of its divisors is an integer number (6068181).

Almost surely, 2^12136361 is an apocalyptic number.

It is an amenable number.

12136361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136361 is an equidigital number, since it uses as much as digits as its factorization.

12136361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 12136361 is about 3483.7280318647. The cubic root of 12136361 is about 229.8067753342.

Adding to 12136361 its reverse (16363121), we get a palindrome (28499482).

The spelling of 12136361 in words is "twelve million, one hundred thirty-six thousand, three hundred sixty-one".