11604805 has 4 divisors (see below), whose sum is σ = 13925772. Its totient is φ = 9283840.

The previous prime is 11604793. The next prime is 11604809. The reversal of 11604805 is 50840611.

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 4384836 + 7219969 = 2094^2 + 2687^2 .

It is not a de Polignac number, because 11604805 - 2¹⁵ = 11572037 is a prime.

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 11604805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11604809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160476 + ... + 1160485.

It is an arithmetic number, because the mean of its divisors is an integer number (3481443).

Almost surely, 2^11604805 is an apocalyptic number.

It is an amenable number.

11604805 is a deficient number, since it is larger than the sum of its proper divisors (2320967).

11604805 is an equidigital number, since it uses as much as digits as its factorization.

11604805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320966.

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

The square root of 11604805 is about 3406.5825984408. The cubic root of 11604805 is about 226.4014908836.

The spelling of 11604805 in words is "eleven million, six hundred four thousand, eight hundred five".