13228163 has 4 divisors (see below), whose sum is σ = 14245728. Its totient is φ = 12210600.

The previous prime is 13228157. The next prime is 13228169. The reversal of 13228163 is 36182231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36182231 = 73 ⋅495647.

It is an interprime number because it is at equal distance from previous prime (13228157) and next prime (13228169).

It is a cyclic number.

It is not a de Polignac number, because 13228163 - 2²² = 9033859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13228169) 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, 508763 + ... + 508788.

It is an arithmetic number, because the mean of its divisors is an integer number (3561432).

Almost surely, 2^13228163 is an apocalyptic number.

13228163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13228163 is a deficient number, since it is larger than the sum of its proper divisors (1017565).

13228163 is a wasteful number, since it uses less digits than its factorization.

13228163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017564.

The product of its digits is 1728, while the sum is 26.

The square root of 13228163 is about 3637.0541651177. The cubic root of 13228163 is about 236.5011077338.

The spelling of 13228163 in words is "thirteen million, two hundred twenty-eight thousand, one hundred sixty-three".