12018353 has 2 divisors, whose sum is σ = 12018354. Its totient is φ = 12018352.

The previous prime is 12018329. The next prime is 12018401. The reversal of 12018353 is 35381021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 1669264 = 3217^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 12018353 - 2¹⁶ = 11952817 is a prime.

It is not a weakly prime, because it can be changed into another prime (12018053) 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, 6009176 + 6009177.

It is an arithmetic number, because the mean of its divisors is an integer number (6009177).

Almost surely, 2^12018353 is an apocalyptic number.

It is an amenable number.

12018353 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018353 is an equidigital number, since it uses as much as digits as its factorization.

12018353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12018353 is about 3466.7496304175. The cubic root of 12018353 is about 229.0595053946.

Adding to 12018353 its reverse (35381021), we get a palindrome (47399374).

The spelling of 12018353 in words is "twelve million, eighteen thousand, three hundred fifty-three".