13807835 has 4 divisors (see below), whose sum is σ = 16569408. Its totient is φ = 11046264.

The previous prime is 13807831. The next prime is 13807837. The reversal of 13807835 is 53870831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53870831 = 7 ⋅7695833.

It is a cyclic number.

It is not a de Polignac number, because 13807835 - 2² = 13807831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13807795 and 13807804.

It is not an unprimeable number, because it can be changed into a prime (13807831) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1380779 + ... + 1380788.

It is an arithmetic number, because the mean of its divisors is an integer number (4142352).

Almost surely, 2^13807835 is an apocalyptic number.

13807835 is a deficient number, since it is larger than the sum of its proper divisors (2761573).

13807835 is an equidigital number, since it uses as much as digits as its factorization.

13807835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761572.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 13807835 is about 3715.8895301125. The cubic root of 13807835 is about 239.9064160596.

The spelling of 13807835 in words is "thirteen million, eight hundred seven thousand, eight hundred thirty-five".