12845018 has 4 divisors (see below), whose sum is σ = 19267530. Its totient is φ = 6422508.

The previous prime is 12844987. The next prime is 12845033. The reversal of 12845018 is 81054821.

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., 7166329 + 5678689 = 2677^2 + 2383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211253 + ... + 3211256.

Almost surely, 2^12845018 is an apocalyptic number.

12845018 is a deficient number, since it is larger than the sum of its proper divisors (6422512).

12845018 is an equidigital number, since it uses as much as digits as its factorization.

12845018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422511.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 12845018 is about 3583.9946986568. The cubic root of 12845018 is about 234.1953344981.

Adding to 12845018 its reverse (81054821), we get a palindrome (93899839).

The spelling of 12845018 in words is "twelve million, eight hundred forty-five thousand, eighteen".