13400008 has 8 divisors (see below), whose sum is σ = 25125030. Its totient is φ = 6700000.

The previous prime is 13399999. The next prime is 13400027. The reversal of 13400008 is 80000431.

It can be written as a sum of positive squares in only one way, i.e., 13380964 + 19044 = 3658^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13399964 and 13400000.

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 as a sum of consecutive naturals, namely, 837493 + ... + 837508.

Almost surely, 2^13400008 is an apocalyptic number.

It is an amenable number.

13400008 is a deficient number, since it is larger than the sum of its proper divisors (11725022).

13400008 is a wasteful number, since it uses less digits than its factorization.

13400008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675007 (or 1675003 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13400008 is about 3660.6021362612. The cubic root of 13400008 is about 237.5208210740.

Adding to 13400008 its reverse (80000431), we get a palindrome (93400439).

The spelling of 13400008 in words is "thirteen million, four hundred thousand, eight".