12944787 has 8 divisors (see below), whose sum is σ = 17627136. Its totient is φ = 8446152.

The previous prime is 12944779. The next prime is 12944797. The reversal of 12944787 is 78744921.

It is a happy number.

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

It is not a de Polignac number, because 12944787 - 2³ = 12944779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12944717) 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, 45763 + ... + 46044.

It is an arithmetic number, because the mean of its divisors is an integer number (2203392).

Almost surely, 2^12944787 is an apocalyptic number.

12944787 is a deficient number, since it is larger than the sum of its proper divisors (4682349).

12944787 is an equidigital number, since it uses as much as digits as its factorization.

12944787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91857.

The product of its digits is 112896, while the sum is 42.

The square root of 12944787 is about 3597.8864629112. The cubic root of 12944787 is about 234.8001137169.

It can be divided in two parts, 12944 and 787, that added together give a palindrome (13731).

The spelling of 12944787 in words is "twelve million, nine hundred forty-four thousand, seven hundred eighty-seven".