13028161 has 4 divisors (see below), whose sum is σ = 13154752. Its totient is φ = 12901572.

The previous prime is 13028149. The next prime is 13028173. The reversal of 13028161 is 16182031.

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 an interprime number because it is at equal distance from previous prime (13028149) and next prime (13028173).

It is a cyclic number.

It is not a de Polignac number, because 13028161 - 2²¹ = 10931009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13028461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63141 + ... + 63346.

It is an arithmetic number, because the mean of its divisors is an integer number (3288688).

Almost surely, 2^13028161 is an apocalyptic number.

It is an amenable number.

13028161 is a deficient number, since it is larger than the sum of its proper divisors (126591).

13028161 is a wasteful number, since it uses less digits than its factorization.

13028161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126590.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 13028161 is about 3609.4543909018. The cubic root of 13028161 is about 235.3031307736.

The spelling of 13028161 in words is "thirteen million, twenty-eight thousand, one hundred sixty-one".