11717471 has 8 divisors (see below), whose sum is σ = 13060080. Its totient is φ = 10447488.

The previous prime is 11717443. The next prime is 11717483. The reversal of 11717471 is 17471711.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11717471 - 2¹⁴ = 11701087 is a prime.

It is a super-3 number, since 3×11717471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11717071) 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, 17816 + ... + 18461.

It is an arithmetic number, because the mean of its divisors is an integer number (1632510).

Almost surely, 2^11717471 is an apocalyptic number.

11717471 is a deficient number, since it is larger than the sum of its proper divisors (1342609).

11717471 is a wasteful number, since it uses less digits than its factorization.

11717471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36313.

The product of its digits is 1372, while the sum is 29.

The square root of 11717471 is about 3423.0791694029. The cubic root of 11717471 is about 227.1318103465.

The spelling of 11717471 in words is "eleven million, seven hundred seventeen thousand, four hundred seventy-one".