12818611 has 4 divisors (see below), whose sum is σ = 13804672. Its totient is φ = 11832552.

The previous prime is 12818599. The next prime is 12818621. The reversal of 12818611 is 11681821.

12818611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11681821 = 733 ⋅15937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12818611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12818611.

It is not an unprimeable number, because it can be changed into a prime (12818621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493011 + ... + 493036.

It is an arithmetic number, because the mean of its divisors is an integer number (3451168).

Almost surely, 2^12818611 is an apocalyptic number.

12818611 is a deficient number, since it is larger than the sum of its proper divisors (986061).

12818611 is an equidigital number, since it uses as much as digits as its factorization.

12818611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986060.

The product of its digits is 768, while the sum is 28.

The square root of 12818611 is about 3580.3087855658. The cubic root of 12818611 is about 234.0347368501.

The spelling of 12818611 in words is "twelve million, eight hundred eighteen thousand, six hundred eleven".