11406805 has 4 divisors (see below), whose sum is σ = 13688172. Its totient is φ = 9125440.

The previous prime is 11406799. The next prime is 11406809. The reversal of 11406805 is 50860411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3352561 + 8054244 = 1831^2 + 2838^2 .

It is not a de Polignac number, because 11406805 - 2³ = 11406797 is a prime.

It is a super-3 number, since 3×11406805³ (a number of 22 digits) contains 333 as substring.

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 11406805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11406809) 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, 1140676 + ... + 1140685.

It is an arithmetic number, because the mean of its divisors is an integer number (3422043).

Almost surely, 2^11406805 is an apocalyptic number.

It is an amenable number.

11406805 is a deficient number, since it is larger than the sum of its proper divisors (2281367).

11406805 is an equidigital number, since it uses as much as digits as its factorization.

11406805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281366.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 11406805 is about 3377.3961864134. The cubic root of 11406805 is about 225.1064845761.

The spelling of 11406805 in words is "eleven million, four hundred six thousand, eight hundred five".