11659071 has 4 divisors (see below), whose sum is σ = 15545432. Its totient is φ = 7772712.

The previous prime is 11659061. The next prime is 11659097. The reversal of 11659071 is 17095611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11659071 - 2¹³ = 11650879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11659061) 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, 1943176 + ... + 1943181.

It is an arithmetic number, because the mean of its divisors is an integer number (3886358).

Almost surely, 2^11659071 is an apocalyptic number.

11659071 is a deficient number, since it is larger than the sum of its proper divisors (3886361).

11659071 is an equidigital number, since it uses as much as digits as its factorization.

11659071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886360.

The product of its (nonzero) digits is 1890, while the sum is 30.

The square root of 11659071 is about 3414.5381825365. The cubic root of 11659071 is about 226.7538392597.

The spelling of 11659071 in words is "eleven million, six hundred fifty-nine thousand, seventy-one".