13226403 has 16 divisors (see below), whose sum is σ = 18683136. Its totient is φ = 8305440.

The previous prime is 13226401. The next prime is 13226419. The reversal of 13226403 is 30462231.

It is a happy number.

13226403 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13226403 - 2¹ = 13226401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13226403.

It is not an unprimeable number, because it can be changed into a prime (13226401) 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, 3193 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (1167696).

Almost surely, 2^13226403 is an apocalyptic number.

13226403 is a deficient number, since it is larger than the sum of its proper divisors (5456733).

13226403 is a wasteful number, since it uses less digits than its factorization.

13226403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

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

The square root of 13226403 is about 3636.8122030152. The cubic root of 13226403 is about 236.4906184867.

Adding to 13226403 its reverse (30462231), we get a palindrome (43688634).

The spelling of 13226403 in words is "thirteen million, two hundred twenty-six thousand, four hundred three".