12052618 has 4 divisors (see below), whose sum is σ = 18078930. Its totient is φ = 6026308.

The previous prime is 12052567. The next prime is 12052619. The reversal of 12052618 is 81625021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9941409 + 2111209 = 3153^2 + 1453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12052592 and 12052601.

It is not an unprimeable number, because it can be changed into a prime (12052619) 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, 3013153 + ... + 3013156.

Almost surely, 2^12052618 is an apocalyptic number.

12052618 is a deficient number, since it is larger than the sum of its proper divisors (6026312).

12052618 is an equidigital number, since it uses as much as digits as its factorization.

12052618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026311.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12052618 is about 3471.6880620240. The cubic root of 12052618 is about 229.2769860176.

Adding to 12052618 its reverse (81625021), we get a palindrome (93677639).

The spelling of 12052618 in words is "twelve million, fifty-two thousand, six hundred eighteen".