13400306 has 16 divisors (see below), whose sum is σ = 21052224. Its totient is φ = 6385104.

The previous prime is 13400281. The next prime is 13400341. The reversal of 13400306 is 60300431.

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 7 ways as a sum of consecutive naturals, for example, 23780 + ... + 24336.

It is an arithmetic number, because the mean of its divisors is an integer number (1315764).

Almost surely, 2^13400306 is an apocalyptic number.

13400306 is a deficient number, since it is larger than the sum of its proper divisors (7651918).

13400306 is a wasteful number, since it uses less digits than its factorization.

13400306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13400306 is about 3660.6428397209. The cubic root of 13400306 is about 237.5225817863.

Adding to 13400306 its reverse (60300431), we get a palindrome (73700737).

The spelling of 13400306 in words is "thirteen million, four hundred thousand, three hundred six".