13211304 has 16 divisors (see below), whose sum is σ = 33028320. Its totient is φ = 4403760.

The previous prime is 13211273. The next prime is 13211311. The reversal of 13211304 is 40311231.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 275212 + ... + 275259.

It is an arithmetic number, because the mean of its divisors is an integer number (2064270).

Almost surely, 2^13211304 is an apocalyptic number.

It is an amenable number.

13211304 is an abundant number, since it is smaller than the sum of its proper divisors (19817016).

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

13211304 is a wasteful number, since it uses less digits than its factorization.

13211304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550480 (or 550476 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13211304 is about 3634.7357538066. The cubic root of 13211304 is about 236.4005932172.

Adding to 13211304 its reverse (40311231), we get a palindrome (53522535).

It can be divided in two parts, 132 and 11304, that multiplied together give a triangular number (1492128 = T₁₇₂₇).

The spelling of 13211304 in words is "thirteen million, two hundred eleven thousand, three hundred four".