13028128 has 24 divisors (see below), whose sum is σ = 25740288. Its totient is φ = 6490944.

The previous prime is 13028123. The next prime is 13028149. The reversal of 13028128 is 82182031.

It is a super-3 number, since 3×13028128³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13028123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11725 + ... + 12787.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^13028128 is an apocalyptic number.

It is an amenable number.

13028128 is a deficient number, since it is larger than the sum of its proper divisors (12712160).

13028128 is a wasteful number, since it uses less digits than its factorization.

13028128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 13028128 is about 3609.4498195708. The cubic root of 13028128 is about 235.3029321012.

The spelling of 13028128 in words is "thirteen million, twenty-eight thousand, one hundred twenty-eight".