11641705 has 4 divisors (see below), whose sum is σ = 13970052. Its totient is φ = 9313360.

The previous prime is 11641697. The next prime is 11641711. The reversal of 11641705 is 50714611.

It is a happy number.

11641705 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 7027801 + 4613904 = 2651^2 + 2148^2 .

It is not a de Polignac number, because 11641705 - 2³ = 11641697 is a prime.

It is a super-3 number, since 3×11641705³ (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 11641705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164166 + ... + 1164175.

It is an arithmetic number, because the mean of its divisors is an integer number (3492513).

Almost surely, 2^11641705 is an apocalyptic number.

It is an amenable number.

11641705 is a deficient number, since it is larger than the sum of its proper divisors (2328347).

11641705 is an equidigital number, since it uses as much as digits as its factorization.

11641705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328346.

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

The square root of 11641705 is about 3411.9942848721. The cubic root of 11641705 is about 226.6412012433.

The spelling of 11641705 in words is "eleven million, six hundred forty-one thousand, seven hundred five".