13600856 has 8 divisors (see below), whose sum is σ = 25501620. Its totient is φ = 6800424.

The previous prime is 13600837. The next prime is 13600859. The reversal of 13600856 is 65800631.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13600859) by changing a digit.

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, 850046 + ... + 850061.

Almost surely, 2^13600856 is an apocalyptic number.

It is an amenable number.

13600856 is a deficient number, since it is larger than the sum of its proper divisors (11900764).

13600856 is a wasteful number, since it uses less digits than its factorization.

13600856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700113 (or 1700109 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 13600856 is about 3687.9338388859. The cubic root of 13600856 is about 238.7016462295.

It can be divided in two parts, 13 and 600856, that multiplied together give a triangular number (7811128 = T₃₉₅₂).

The spelling of 13600856 in words is "thirteen million, six hundred thousand, eight hundred fifty-six".