12018953 has 2 divisors, whose sum is σ = 12018954. Its totient is φ = 12018952.

The previous prime is 12018931. The next prime is 12018977. The reversal of 12018953 is 35981021.

12018953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 2795584 = 3037^2 + 1672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12018953 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 polite number, since it can be written as a sum of consecutive naturals, namely, 6009476 + 6009477.

It is an arithmetic number, because the mean of its divisors is an integer number (6009477).

Almost surely, 2^12018953 is an apocalyptic number.

It is an amenable number.

12018953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018953 is an equidigital number, since it uses as much as digits as its factorization.

12018953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12018953 is about 3466.8361657281. The cubic root of 12018953 is about 229.0633171597.

Adding to 12018953 its reverse (35981021), we get a palindrome (47999974).

The spelling of 12018953 in words is "twelve million, eighteen thousand, nine hundred fifty-three".