12864379 has 8 divisors (see below), whose sum is σ = 14077872. Its totient is φ = 11658240.

The previous prime is 12864373. The next prime is 12864389. The reversal of 12864379 is 97346821.

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

It is not a de Polignac number, because 12864379 - 2⁷ = 12864251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12864373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2227 + ... + 5539.

It is an arithmetic number, because the mean of its divisors is an integer number (1759734).

Almost surely, 2^12864379 is an apocalyptic number.

12864379 is a deficient number, since it is larger than the sum of its proper divisors (1213493).

12864379 is a wasteful number, since it uses less digits than its factorization.

12864379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its digits is 72576, while the sum is 40.

The square root of 12864379 is about 3586.6947179820. The cubic root of 12864379 is about 234.3129411752.

It can be divided in two parts, 1286 and 4379, that added together give a palindrome (5665).

The spelling of 12864379 in words is "twelve million, eight hundred sixty-four thousand, three hundred seventy-nine".