11730805 has 16 divisors (see below), whose sum is σ = 14878080. Its totient is φ = 8861248.

The previous prime is 11730781. The next prime is 11730811. The reversal of 11730805 is 50803711.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11730805 is a prime.

It is a super-2 number, since 2×11730805² = 275223571896050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11730805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8931 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (929880).

Almost surely, 2^11730805 is an apocalyptic number.

It is an amenable number.

11730805 is a deficient number, since it is larger than the sum of its proper divisors (3147275).

11730805 is a wasteful number, since it uses less digits than its factorization.

11730805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 11730805 is about 3425.0262772715. The cubic root of 11730805 is about 227.2179332390.

The spelling of 11730805 in words is "eleven million, seven hundred thirty thousand, eight hundred five".