13343403 has 4 divisors (see below), whose sum is σ = 17791208. Its totient is φ = 8895600.

The previous prime is 13343387. The next prime is 13343431. The reversal of 13343403 is 30434331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13343403 - 2⁴ = 13343387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13343403.

It is not an unprimeable number, because it can be changed into a prime (13343443) 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, 2223898 + ... + 2223903.

It is an arithmetic number, because the mean of its divisors is an integer number (4447802).

Almost surely, 2^13343403 is an apocalyptic number.

13343403 is a deficient number, since it is larger than the sum of its proper divisors (4447805).

13343403 is an equidigital number, since it uses as much as digits as its factorization.

13343403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447804.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 13343403 is about 3652.8623023596. The cubic root of 13343403 is about 237.1858998279.

Adding to 13343403 its reverse (30434331), we get a palindrome (43777734).

The spelling of 13343403 in words is "thirteen million, three hundred forty-three thousand, four hundred three".