13226944 has 28 divisors (see below), whose sum is σ = 26389584. Its totient is φ = 6577664.

The previous prime is 13226921. The next prime is 13227023. The reversal of 13226944 is 44962231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14469 + ... + 15355.

Almost surely, 2^13226944 is an apocalyptic number.

It is an amenable number.

13226944 is a deficient number, since it is larger than the sum of its proper divisors (13162640).

13226944 is an equidigital number, since it uses as much as digits as its factorization.

13226944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1122 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 13226944 is about 3636.8865805796. The cubic root of 13226944 is about 236.4938428373.

The spelling of 13226944 in words is "thirteen million, two hundred twenty-six thousand, nine hundred forty-four".