11802105 has 80 divisors (see below), whose sum is σ = 25369344. Its totient is φ = 5132160.

The previous prime is 11802083. The next prime is 11802107. The reversal of 11802105 is 50120811.

It is not a de Polignac number, because 11802105 - 2¹² = 11798009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802107) 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 79 ways as a sum of consecutive naturals, for example, 65115 + ... + 65295.

Almost surely, 2^11802105 is an apocalyptic number.

11802105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11802105 is an abundant number, since it is smaller than the sum of its proper divisors (13567239).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11802105 is a wasteful number, since it uses less digits than its factorization.

11802105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 11802105 is about 3435.4191883961. The cubic root of 11802105 is about 227.6773483276.

Adding to 11802105 its reverse (50120811), we get a palindrome (61922916).

The spelling of 11802105 in words is "eleven million, eight hundred two thousand, one hundred five".