13331004 has 12 divisors (see below), whose sum is σ = 31105704. Its totient is φ = 4443664.

The previous prime is 13330987. The next prime is 13331011. The reversal of 13331004 is 40013331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555447 + ... + 555470.

It is an arithmetic number, because the mean of its divisors is an integer number (2592142).

Almost surely, 2^13331004 is an apocalyptic number.

It is an amenable number.

13331004 is an abundant number, since it is smaller than the sum of its proper divisors (17774700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13331004 is a wasteful number, since it uses less digits than its factorization.

13331004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110924 (or 1110922 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13331004 is about 3651.1647456668. The cubic root of 13331004 is about 237.1124108449.

Adding to 13331004 its reverse (40013331), we get a palindrome (53344335).

The spelling of 13331004 in words is "thirteen million, three hundred thirty-one thousand, four".