13224003 has 16 divisors (see below), whose sum is σ = 19090176. Its totient is φ = 8094240.

The previous prime is 13223957. The next prime is 13224037. The reversal of 13224003 is 30042231.

It is a de Polignac number, because none of the positive numbers 2^k-13224003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13224803) 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, 7426 + ... + 9032.

It is an arithmetic number, because the mean of its divisors is an integer number (1193136).

Almost surely, 2^13224003 is an apocalyptic number.

13224003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13224003 is a deficient number, since it is larger than the sum of its proper divisors (5866173).

13224003 is a wasteful number, since it uses less digits than its factorization.

13224003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13224003 is about 3636.4822287480. The cubic root of 13224003 is about 236.4763134682.

Adding to 13224003 its reverse (30042231), we get a palindrome (43266234).

The spelling of 13224003 in words is "thirteen million, two hundred twenty-four thousand, three".