13403344 has 20 divisors (see below), whose sum is σ = 27497124. Its totient is φ = 6307328.

The previous prime is 13403333. The next prime is 13403371. The reversal of 13403344 is 44330431.

It can be written as a sum of positive squares in 2 ways, for example, as 10163344 + 3240000 = 3188^2 + 1800^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24367 + ... + 24910.

Almost surely, 2^13403344 is an apocalyptic number.

It is an amenable number.

13403344 is an abundant number, since it is smaller than the sum of its proper divisors (14093780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13403344 is a wasteful number, since it uses less digits than its factorization.

13403344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49302 (or 49296 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 13403344 is about 3661.0577706450. The cubic root of 13403344 is about 237.5405301098.

Adding to 13403344 its reverse (44330431), we get a palindrome (57733775).

The spelling of 13403344 in words is "thirteen million, four hundred three thousand, three hundred forty-four".