12018577 has 2 divisors, whose sum is σ = 12018578. Its totient is φ = 12018576.

The previous prime is 12018569. The next prime is 12018613. The reversal of 12018577 is 77581021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9461776 + 2556801 = 3076^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12018577 - 2³ = 12018569 is a prime.

It is not a weakly prime, because it can be changed into another prime (12018547) 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, 6009288 + 6009289.

It is an arithmetic number, because the mean of its divisors is an integer number (6009289).

Almost surely, 2^12018577 is an apocalyptic number.

It is an amenable number.

12018577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12018577 is an equidigital number, since it uses as much as digits as its factorization.

12018577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 12018577 is about 3466.7819371861. The cubic root of 12018577 is about 229.0609284684.

Adding to 12018577 its reverse (77581021), we get a palindrome (89599598).

The spelling of 12018577 in words is "twelve million, eighteen thousand, five hundred seventy-seven".