11865705 has 8 divisors (see below), whose sum is σ = 18985152. Its totient is φ = 6328368.

The previous prime is 11865697. The next prime is 11865713. The reversal of 11865705 is 50756811.

11865705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11865697) and next prime (11865713).

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

It is not a de Polignac number, because 11865705 - 2³ = 11865697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395509 + ... + 395538.

It is an arithmetic number, because the mean of its divisors is an integer number (2373144).

Almost surely, 2^11865705 is an apocalyptic number.

11865705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11865705 is a deficient number, since it is larger than the sum of its proper divisors (7119447).

11865705 is an equidigital number, since it uses as much as digits as its factorization.

11865705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791055.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 11865705 is about 3444.6632636587. The cubic root of 11865705 is about 228.0855903649.

The spelling of 11865705 in words is "eleven million, eight hundred sixty-five thousand, seven hundred five".