12944477 has 16 divisors (see below), whose sum is σ = 16262400. Its totient is φ = 10238256.

The previous prime is 12944473. The next prime is 12944501. The reversal of 12944477 is 77444921.

12944477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12944477 - 2² = 12944473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12944477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944473) 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 15 ways as a sum of consecutive naturals, for example, 3008 + ... + 5910.

It is an arithmetic number, because the mean of its divisors is an integer number (1016400).

Almost surely, 2^12944477 is an apocalyptic number.

It is an amenable number.

12944477 is a deficient number, since it is larger than the sum of its proper divisors (3317923).

12944477 is an equidigital number, since it uses as much as digits as its factorization.

12944477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2923 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 12944477 is about 3597.8433818053. The cubic root of 12944477 is about 234.7982393815.

The spelling of 12944477 in words is "twelve million, nine hundred forty-four thousand, four hundred seventy-seven".