11770865 has 8 divisors (see below), whose sum is σ = 14356968. Its totient is φ = 9262080.

The previous prime is 11770859. The next prime is 11770867. The reversal of 11770865 is 56807711.

11770865 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 163216 + 11607649 = 404^2 + 3407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11770865 - 2¹⁰ = 11769841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11770867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18992 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (1794621).

Almost surely, 2^11770865 is an apocalyptic number.

It is an amenable number.

11770865 is a deficient number, since it is larger than the sum of its proper divisors (2586103).

11770865 is an equidigital number, since it uses as much as digits as its factorization.

11770865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38659.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 11770865 is about 3430.8694233386. The cubic root of 11770865 is about 227.4762846108.

The spelling of 11770865 in words is "eleven million, seven hundred seventy thousand, eight hundred sixty-five".