13318406 has 16 divisors (see below), whose sum is σ = 20815488. Its totient is φ = 6384000.

The previous prime is 13318387. The next prime is 13318421. The reversal of 13318406 is 60481331.

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 in 7 ways as a sum of consecutive naturals, for example, 6056 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (1300968).

Almost surely, 2^13318406 is an apocalyptic number.

13318406 is a deficient number, since it is larger than the sum of its proper divisors (7497082).

13318406 is a wasteful number, since it uses less digits than its factorization.

13318406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 13318406 is about 3649.4391349905. The cubic root of 13318406 is about 237.0376957019.

Adding to 13318406 its reverse (60481331), we get a palindrome (73799737).

The spelling of 13318406 in words is "thirteen million, three hundred eighteen thousand, four hundred six".