13231828 has 24 divisors (see below), whose sum is σ = 24557120. Its totient is φ = 6220800.

The previous prime is 13231819. The next prime is 13231843. The reversal of 13231828 is 82813231.

It is a junction number, because it is equal to n+sod(n) for n = 13231796 and 13231805.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 10900 + ... + 12052.

Almost surely, 2^13231828 is an apocalyptic number.

It is an amenable number.

13231828 is a deficient number, since it is larger than the sum of its proper divisors (11325292).

13231828 is a wasteful number, since it uses less digits than its factorization.

13231828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1325 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 13231828 is about 3637.5579720466. The cubic root of 13231828 is about 236.5229474133.

The spelling of 13231828 in words is "thirteen million, two hundred thirty-one thousand, eight hundred twenty-eight".