13321004 has 6 divisors (see below), whose sum is σ = 23311764. Its totient is φ = 6660500.

The previous prime is 13321003. The next prime is 13321027. The reversal of 13321004 is 40012331.

It is a self number, because there is not a number n which added to its sum of digits gives 13321004.

It is not an unprimeable number, because it can be changed into a prime (13321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665122 + ... + 1665129.

It is an arithmetic number, because the mean of its divisors is an integer number (3885294).

Almost surely, 2^13321004 is an apocalyptic number.

It is an amenable number.

13321004 is a deficient number, since it is larger than the sum of its proper divisors (9990760).

13321004 is a wasteful number, since it uses less digits than its factorization.

13321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330255 (or 3330253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13321004 is about 3649.7950627398. The cubic root of 13321004 is about 237.0531075536.

Adding to 13321004 its reverse (40012331), we get a palindrome (53333335).

The spelling of 13321004 in words is "thirteen million, three hundred twenty-one thousand, four".