12944587 has 2 divisors, whose sum is σ = 12944588. Its totient is φ = 12944586.

The previous prime is 12944573. The next prime is 12944593. The reversal of 12944587 is 78544921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12944587 - 2¹¹ = 12942539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12944537) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472293 + 6472294.

It is an arithmetic number, because the mean of its divisors is an integer number (6472294).

Almost surely, 2^12944587 is an apocalyptic number.

12944587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12944587 is an equidigital number, since it uses as much as digits as its factorization.

12944587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 12944587 is about 3597.8586687084. The cubic root of 12944587 is about 234.7989044717.

It can be divided in two parts, 12944 and 587, that added together give a palindrome (13531).

The spelling of 12944587 in words is "twelve million, nine hundred forty-four thousand, five hundred eighty-seven".