12162611 has 2 divisors, whose sum is σ = 12162612. Its totient is φ = 12162610.

The previous prime is 12162589. The next prime is 12162649. The reversal of 12162611 is 11626121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12162611 - 2¹⁰ = 12161587 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12162671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081305 + 6081306.

It is an arithmetic number, because the mean of its divisors is an integer number (6081306).

Almost surely, 2^12162611 is an apocalyptic number.

12162611 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162611 is an equidigital number, since it uses as much as digits as its factorization.

12162611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 12162611 is about 3487.4935125388. The cubic root of 12162611 is about 229.9723407193.

Adding to 12162611 its reverse (11626121), we get a palindrome (23788732).

It can be divided in two parts, 1 and 2162611, that added together give a palindrome (2162612).

The spelling of 12162611 in words is "twelve million, one hundred sixty-two thousand, six hundred eleven".