12864818 has 16 divisors (see below), whose sum is σ = 20507904. Its totient is φ = 6031680.

The previous prime is 12864791. The next prime is 12864823. The reversal of 12864818 is 81846821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11963 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (1281744).

Almost surely, 2^12864818 is an apocalyptic number.

12864818 is a deficient number, since it is larger than the sum of its proper divisors (7643086).

12864818 is a wasteful number, since it uses less digits than its factorization.

12864818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its digits is 24576, while the sum is 38.

The square root of 12864818 is about 3586.7559158660. The cubic root of 12864818 is about 234.3156064732.

It can be divided in two parts, 128 and 64818, that added together give a palindrome (64946).

The spelling of 12864818 in words is "twelve million, eight hundred sixty-four thousand, eight hundred eighteen".