13600813 has 8 divisors (see below), whose sum is σ = 14002560. Its totient is φ = 13209820.

The previous prime is 13600801. The next prime is 13600819. The reversal of 13600813 is 31800631.

13600813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13600813 - 2⁵ = 13600781 is a prime.

It is a super-2 number, since 2×13600813² = 369964228521938, which contains 22 as substring.

It is a Duffinian number.

13600813 is a modest number, since divided by 813 gives 136 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13600819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103758 + ... + 103888.

It is an arithmetic number, because the mean of its divisors is an integer number (1750320).

Almost surely, 2^13600813 is an apocalyptic number.

It is an amenable number.

13600813 is a deficient number, since it is larger than the sum of its proper divisors (401747).

13600813 is an frugal number, since it uses more digits than its factorization.

13600813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13600813 is about 3687.9280090587. The cubic root of 13600813 is about 238.7013946722.

The spelling of 13600813 in words is "thirteen million, six hundred thousand, eight hundred thirteen".