13226744 has 8 divisors (see below), whose sum is σ = 24800160. Its totient is φ = 6613368.

The previous prime is 13226743. The next prime is 13226747. The reversal of 13226744 is 44762231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226743) 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 as a sum of consecutive naturals, namely, 826664 + ... + 826679.

It is an arithmetic number, because the mean of its divisors is an integer number (3100020).

Almost surely, 2^13226744 is an apocalyptic number.

It is an amenable number.

13226744 is a deficient number, since it is larger than the sum of its proper divisors (11573416).

13226744 is a wasteful number, since it uses less digits than its factorization.

13226744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653349 (or 1653345 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 13226744 is about 3636.8590844299. The cubic root of 13226744 is about 236.4926508510.

Adding to 13226744 its reverse (44762231), we get a palindrome (57988975).

The spelling of 13226744 in words is "thirteen million, two hundred twenty-six thousand, seven hundred forty-four".