12944765 has 8 divisors (see below), whose sum is σ = 15653088. Its totient is φ = 10276240.

The previous prime is 12944761. The next prime is 12944779. The reversal of 12944765 is 56744921.

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

It is not a de Polignac number, because 12944765 - 2² = 12944761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944761) 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, 9227 + ... + 10536.

It is an arithmetic number, because the mean of its divisors is an integer number (1956636).

Almost surely, 2^12944765 is an apocalyptic number.

It is an amenable number.

12944765 is a deficient number, since it is larger than the sum of its proper divisors (2708323).

12944765 is a wasteful number, since it uses less digits than its factorization.

12944765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19899.

The product of its digits is 60480, while the sum is 38.

The square root of 12944765 is about 3597.8834055594. The cubic root of 12944765 is about 234.7999807005.

The spelling of 12944765 in words is "twelve million, nine hundred forty-four thousand, seven hundred sixty-five".