12864116 has 6 divisors (see below), whose sum is σ = 22512210. Its totient is φ = 6432056.

The previous prime is 12864097. The next prime is 12864127. The reversal of 12864116 is 61146821.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 1276900 = 3404^2 + 1130^2 .

It is a super-2 number, since 2×12864116² = 330970960922912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608011 + ... + 1608018.

It is an arithmetic number, because the mean of its divisors is an integer number (3752035).

Almost surely, 2^12864116 is an apocalyptic number.

It is an amenable number.

12864116 is a deficient number, since it is larger than the sum of its proper divisors (9648094).

12864116 is a wasteful number, since it uses less digits than its factorization.

12864116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216033 (or 3216031 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12864116 is about 3586.6580545126. The cubic root of 12864116 is about 234.3113443958.

The spelling of 12864116 in words is "twelve million, eight hundred sixty-four thousand, one hundred sixteen".