11816835 has 16 divisors (see below), whose sum is σ = 18951840. Its totient is φ = 6287360.

The previous prime is 11816821. The next prime is 11816837. The reversal of 11816835 is 53861811.

11816835 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11816835 - 2⁶ = 11816771 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 11816796 and 11816805.

It is not an unprimeable number, because it can be changed into a prime (11816837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9001 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (1184490).

Almost surely, 2^11816835 is an apocalyptic number.

11816835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11816835 is a deficient number, since it is larger than the sum of its proper divisors (7135005).

11816835 is a wasteful number, since it uses less digits than its factorization.

11816835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878.

The product of its digits is 5760, while the sum is 33.

The square root of 11816835 is about 3437.5623630707. The cubic root of 11816835 is about 227.7720289822.

The spelling of 11816835 in words is "eleven million, eight hundred sixteen thousand, eight hundred thirty-five".