13316404 has 6 divisors (see below), whose sum is σ = 23303714. Its totient is φ = 6658200.

The previous prime is 13316399. The next prime is 13316417. The reversal of 13316404 is 40461331.

It can be written as a sum of positive squares in only one way, i.e., 8702500 + 4613904 = 2950^2 + 2148^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1664547 + ... + 1664554.

Almost surely, 2^13316404 is an apocalyptic number.

It is an amenable number.

13316404 is a deficient number, since it is larger than the sum of its proper divisors (9987310).

13316404 is a wasteful number, since it uses less digits than its factorization.

13316404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329105 (or 3329103 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13316404 is about 3649.1648359590. The cubic root of 13316404 is about 237.0258180731.

Adding to 13316404 its reverse (40461331), we get a palindrome (53777735).

The spelling of 13316404 in words is "thirteen million, three hundred sixteen thousand, four hundred four".