13634223 has 8 divisors (see below), whose sum is σ = 18366768. Its totient is φ = 8995584.

The previous prime is 13634219. The next prime is 13634237. The reversal of 13634223 is 32243631.

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

It is not a de Polignac number, because 13634223 - 2² = 13634219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13634193 and 13634202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13634273) 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 7 ways as a sum of consecutive naturals, for example, 23136 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (2295846).

Almost surely, 2^13634223 is an apocalyptic number.

13634223 is a deficient number, since it is larger than the sum of its proper divisors (4732545).

13634223 is an equidigital number, since it uses as much as digits as its factorization.

13634223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46953.

The product of its digits is 2592, while the sum is 24.

The square root of 13634223 is about 3692.4548744704. The cubic root of 13634223 is about 238.8966891830.

Adding to 13634223 its reverse (32243631), we get a palindrome (45877854).

The spelling of 13634223 in words is "thirteen million, six hundred thirty-four thousand, two hundred twenty-three".