13222403 has 4 divisors (see below), whose sum is σ = 13231680. Its totient is φ = 13213128.

The previous prime is 13222343. The next prime is 13222411. The reversal of 13222403 is 30422231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13222403 - 2¹⁰ = 13221379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000 + ... + 5517.

It is an arithmetic number, because the mean of its divisors is an integer number (3307920).

Almost surely, 2^13222403 is an apocalyptic number.

13222403 is a deficient number, since it is larger than the sum of its proper divisors (9277).

13222403 is an equidigital number, since it uses as much as digits as its factorization.

13222403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13222403 is about 3636.2622292679. The cubic root of 13222403 is about 236.4667758276.

Adding to 13222403 its reverse (30422231), we get a palindrome (43644634).

The spelling of 13222403 in words is "thirteen million, two hundred twenty-two thousand, four hundred three".