12864514 has 8 divisors (see below), whose sum is σ = 20781180. Its totient is φ = 5937456.

The previous prime is 12864499. The next prime is 12864517. The reversal of 12864514 is 41546821.

It can be written as a sum of positive squares in 2 ways, for example, as 11108889 + 1755625 = 3333^2 + 1325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12864517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247369 + ... + 247420.

Almost surely, 2^12864514 is an apocalyptic number.

12864514 is a deficient number, since it is larger than the sum of its proper divisors (7916666).

12864514 is a wasteful number, since it uses less digits than its factorization.

12864514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494804.

The product of its digits is 7680, while the sum is 31.

The square root of 12864514 is about 3586.7135374880. The cubic root of 12864514 is about 234.3137608063.

The spelling of 12864514 in words is "twelve million, eight hundred sixty-four thousand, five hundred fourteen".