13223163 has 8 divisors (see below), whose sum is σ = 17650000. Its totient is φ = 8805888.

The previous prime is 13223123. The next prime is 13223173. The reversal of 13223163 is 36132231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223163 - 2¹² = 13219067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1983 + ... + 5511.

It is an arithmetic number, because the mean of its divisors is an integer number (2206250).

Almost surely, 2^13223163 is an apocalyptic number.

13223163 is a deficient number, since it is larger than the sum of its proper divisors (4426837).

13223163 is a wasteful number, since it uses less digits than its factorization.

13223163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781.

The product of its digits is 648, while the sum is 21.

The square root of 13223163 is about 3636.3667306805. The cubic root of 13223163 is about 236.4713063028.

Adding to 13223163 its reverse (36132231), we get a palindrome (49355394).

The spelling of 13223163 in words is "thirteen million, two hundred twenty-three thousand, one hundred sixty-three".