13403128 has 16 divisors (see below), whose sum is σ = 25169760. Its totient is φ = 6691200.

The previous prime is 13403119. The next prime is 13403147. The reversal of 13403128 is 82130431.

13403128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13403099 and 13403108.

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, 9168 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (1573110).

Almost surely, 2^13403128 is an apocalyptic number.

It is an amenable number.

13403128 is a deficient number, since it is larger than the sum of its proper divisors (11766632).

13403128 is a wasteful number, since it uses less digits than its factorization.

13403128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 13403128 is about 3661.0282708551. The cubic root of 13403128 is about 237.5392540842.

Adding to 13403128 its reverse (82130431), we get a palindrome (95533559).

It can be divided in two parts, 13403 and 128, that added together give a palindrome (13531).

The spelling of 13403128 in words is "thirteen million, four hundred three thousand, one hundred twenty-eight".