13224004 has 6 divisors (see below), whose sum is σ = 23142014. Its totient is φ = 6612000.

The previous prime is 13223957. The next prime is 13224037. The reversal of 13224004 is 40042231.

It can be written as a sum of positive squares in only one way, i.e., 11235904 + 1988100 = 3352^2 + 1410^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652997 + ... + 1653004.

Almost surely, 2^13224004 is an apocalyptic number.

It is an amenable number.

13224004 is a deficient number, since it is larger than the sum of its proper divisors (9918010).

13224004 is a wasteful number, since it uses less digits than its factorization.

13224004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306005 (or 3306003 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13224004 is about 3636.4823662435. The cubic root of 13224004 is about 236.4763194290.

Adding to 13224004 its reverse (40042231), we get a palindrome (53266235).

The spelling of 13224004 in words is "thirteen million, two hundred twenty-four thousand, four".