13028189 has 4 divisors (see below), whose sum is σ = 13594656. Its totient is φ = 12461724.

The previous prime is 13028179. The next prime is 13028207. The reversal of 13028189 is 98182031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13028189 - 2⁴ = 13028173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13028149) 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, 283199 + ... + 283244.

It is an arithmetic number, because the mean of its divisors is an integer number (3398664).

Almost surely, 2^13028189 is an apocalyptic number.

It is an amenable number.

13028189 is a deficient number, since it is larger than the sum of its proper divisors (566467).

13028189 is an equidigital number, since it uses as much as digits as its factorization.

13028189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566466.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 13028189 is about 3609.4582696022. The cubic root of 13028189 is about 235.3032993439.

The spelling of 13028189 in words is "thirteen million, twenty-eight thousand, one hundred eighty-nine".