13128036 has 24 divisors (see below), whose sum is σ = 31380384. Its totient is φ = 4269120.

The previous prime is 13128013. The next prime is 13128061. The reversal of 13128036 is 63082131.

It is a junction number, because it is equal to n+sod(n) for n = 13127997 and 13128015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12850 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (1307516).

Almost surely, 2^13128036 is an apocalyptic number.

It is an amenable number.

13128036 is an abundant number, since it is smaller than the sum of its proper divisors (18252348).

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

13128036 is a wasteful number, since it uses less digits than its factorization.

13128036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26731 (or 26729 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 13128036 is about 3623.2631701272. The cubic root of 13128036 is about 235.9028854472.

The spelling of 13128036 in words is "thirteen million, one hundred twenty-eight thousand, thirty-six".