13423328 has 24 divisors (see below), whose sum is σ = 26509392. Its totient is φ = 6690816.

The previous prime is 13423327. The next prime is 13423337. The reversal of 13423328 is 82332431.

It is a junction number, because it is equal to n+sod(n) for n = 13423297 and 13423306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423321) 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 3 ways as a sum of consecutive naturals, for example, 18101 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (1104558).

Almost surely, 2^13423328 is an apocalyptic number.

It is an amenable number.

13423328 is a deficient number, since it is larger than the sum of its proper divisors (13086064).

13423328 is an equidigital number, since it uses as much as digits as its factorization.

13423328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1306 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 13423328 is about 3663.7860199526. The cubic root of 13423328 is about 237.6585268497.

Adding to 13423328 its reverse (82332431), we get a palindrome (95755759).

The spelling of 13423328 in words is "thirteen million, four hundred twenty-three thousand, three hundred twenty-eight".