11605671 has 24 divisors (see below), whose sum is σ = 20901504. Its totient is φ = 6028560.

The previous prime is 11605661. The next prime is 11605703. The reversal of 11605671 is 17650611.

11605671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11605671 - 2¹⁰ = 11604647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7681 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (870896).

Almost surely, 2^11605671 is an apocalyptic number.

11605671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11605671 is a deficient number, since it is larger than the sum of its proper divisors (9295833).

11605671 is a wasteful number, since it uses less digits than its factorization.

11605671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16771 (or 16768 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11605671 is about 3406.7097029245. The cubic root of 11605671 is about 226.4071224249.

The spelling of 11605671 in words is "eleven million, six hundred five thousand, six hundred seventy-one".