13226223 has 16 divisors (see below), whose sum is σ = 18961920. Its totient is φ = 8174016.

The previous prime is 13226197. The next prime is 13226237. The reversal of 13226223 is 32262231.

It is not a de Polignac number, because 13226223 - 2⁶ = 13226159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13226223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13226263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (1185120).

Almost surely, 2^13226223 is an apocalyptic number.

13226223 is a deficient number, since it is larger than the sum of its proper divisors (5735697).

13226223 is a wasteful number, since it uses less digits than its factorization.

13226223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006.

The product of its digits is 864, while the sum is 21.

The square root of 13226223 is about 3636.7874559836. The cubic root of 13226223 is about 236.4895456703.

Adding to 13226223 its reverse (32262231), we get a palindrome (45488454).

The spelling of 13226223 in words is "thirteen million, two hundred twenty-six thousand, two hundred twenty-three".