13803128 has 16 divisors (see below), whose sum is σ = 27006480. Its totient is φ = 6601408.

The previous prime is 13803121. The next prime is 13803137. The reversal of 13803128 is 82130831.

It is a junction number, because it is equal to n+sod(n) for n = 13803097 and 13803106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803121) 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 in 3 ways as a sum of consecutive naturals, for example, 37325 + ... + 37692.

It is an arithmetic number, because the mean of its divisors is an integer number (1687905).

Almost surely, 2^13803128 is an apocalyptic number.

It is an amenable number.

13803128 is a deficient number, since it is larger than the sum of its proper divisors (13203352).

13803128 is a wasteful number, since it uses less digits than its factorization.

13803128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75046 (or 75042 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13803128 is about 3715.2561149940. The cubic root of 13803128 is about 239.8791521223.

Adding to 13803128 its reverse (82130831), we get a palindrome (95933959).

It can be divided in two parts, 13803 and 128, that added together give a palindrome (13931).

The spelling of 13803128 in words is "thirteen million, eight hundred three thousand, one hundred twenty-eight".