13028844 has 12 divisors (see below), whose sum is σ = 30400664. Its totient is φ = 4342944.

The previous prime is 13028843. The next prime is 13028863. The reversal of 13028844 is 44882031.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13028843) 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, 542857 + ... + 542880.

Almost surely, 2^13028844 is an apocalyptic number.

It is an amenable number.

13028844 is an abundant number, since it is smaller than the sum of its proper divisors (17371820).

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

13028844 is a wasteful number, since it uses less digits than its factorization.

13028844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085744 (or 1085742 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 13028844 is about 3609.5490022993. The cubic root of 13028844 is about 235.3072426159.

The spelling of 13028844 in words is "thirteen million, twenty-eight thousand, eight hundred forty-four".