12864481 has 8 divisors (see below), whose sum is σ = 14742144. Its totient is φ = 10996800.

The previous prime is 12864479. The next prime is 12864491. The reversal of 12864481 is 18446821.

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

It is a cyclic number.

It is not a de Polignac number, because 12864481 - 2¹ = 12864479 is a prime.

It is a super-2 number, since 2×12864481² = 330989742798722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12864421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (1842768).

Almost surely, 2^12864481 is an apocalyptic number.

It is an amenable number.

12864481 is a deficient number, since it is larger than the sum of its proper divisors (1877663).

12864481 is an equidigital number, since it uses as much as digits as its factorization.

12864481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4991.

The product of its digits is 12288, while the sum is 34.

The square root of 12864481 is about 3586.7089371735. The cubic root of 12864481 is about 234.3135604526.

The spelling of 12864481 in words is "twelve million, eight hundred sixty-four thousand, four hundred eighty-one".