13128048 has 40 divisors (see below), whose sum is σ = 37683600. Its totient is φ = 4375872.

The previous prime is 13128013. The next prime is 13128061. The reversal of 13128048 is 84082131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 14763 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (942090).

Almost surely, 2^13128048 is an apocalyptic number.

13128048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13128048 is an abundant number, since it is smaller than the sum of its proper divisors (24555552).

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

13128048 is a wasteful number, since it uses less digits than its factorization.

13128048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30406 (or 30394 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 13128048 is about 3623.2648260926. The cubic root of 13128048 is about 235.9029573248.

It can be divided in two parts, 131280 and 48, that added together give a triangular number (131328 = T₅₁₂).

The spelling of 13128048 in words is "thirteen million, one hundred twenty-eight thousand, forty-eight".