12944449 has 4 divisors (see below), whose sum is σ = 14793664. Its totient is φ = 11095236.

The previous prime is 12944443. The next prime is 12944473. The reversal of 12944449 is 94444921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94444921 = 389 ⋅242789.

It is a cyclic number.

It is not a de Polignac number, because 12944449 - 2¹⁷ = 12813377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12944443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 924597 + ... + 924610.

It is an arithmetic number, because the mean of its divisors is an integer number (3698416).

Almost surely, 2^12944449 is an apocalyptic number.

It is an amenable number.

12944449 is a deficient number, since it is larger than the sum of its proper divisors (1849215).

12944449 is an equidigital number, since it uses as much as digits as its factorization.

12944449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849214.

The product of its digits is 41472, while the sum is 37.

The square root of 12944449 is about 3597.8394905832. The cubic root of 12944449 is about 234.7980700852.

The spelling of 12944449 in words is "twelve million, nine hundred forty-four thousand, four hundred forty-nine".