12886745 has 8 divisors (see below), whose sum is σ = 15491520. Its totient is φ = 10291120.

The previous prime is 12886733. The next prime is 12886771. The reversal of 12886745 is 54768821.

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

It is not a de Polignac number, because 12886745 - 2⁴ = 12886729 is a prime.

It is an unprimeable number.

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, 1340 + ... + 5250.

It is an arithmetic number, because the mean of its divisors is an integer number (1936440).

Almost surely, 2^12886745 is an apocalyptic number.

It is an amenable number.

12886745 is a deficient number, since it is larger than the sum of its proper divisors (2604775).

12886745 is an equidigital number, since it uses as much as digits as its factorization.

12886745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its digits is 107520, while the sum is 41.

The square root of 12886745 is about 3589.8112763765. The cubic root of 12886745 is about 234.4486546583.

It can be divided in two parts, 12886 and 745, that added together give a palindrome (13631).

The spelling of 12886745 in words is "twelve million, eight hundred eighty-six thousand, seven hundred forty-five".