13805011 has 12 divisors (see below), whose sum is σ = 15266272. Its totient is φ = 12474000.

The previous prime is 13805009. The next prime is 13805041. The reversal of 13805011 is 11050831.

It is not a de Polignac number, because 13805011 - 2¹ = 13805009 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13805011.

It is not an unprimeable number, because it can be changed into a prime (13805041) 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 11 ways as a sum of consecutive naturals, for example, 32581 + ... + 33001.

Almost surely, 2^13805011 is an apocalyptic number.

13805011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13805011 is a deficient number, since it is larger than the sum of its proper divisors (1461261).

13805011 is a wasteful number, since it uses less digits than its factorization.

13805011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 13805011 is about 3715.5095209137. The cubic root of 13805011 is about 239.8900595993.

Adding to 13805011 its reverse (11050831), we get a palindrome (24855842).

The spelling of 13805011 in words is "thirteen million, eight hundred five thousand, eleven".