11971706 has 8 divisors (see below), whose sum is σ = 19013940. Its totient is φ = 5633728.

The previous prime is 11971681. The next prime is 11971711. The reversal of 11971706 is 60717911.

It can be written as a sum of positive squares in 2 ways, for example, as 11730625 + 241081 = 3425^2 + 491^2 .

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

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, 176021 + ... + 176088.

Almost surely, 2^11971706 is an apocalyptic number.

11971706 is a deficient number, since it is larger than the sum of its proper divisors (7042234).

11971706 is a wasteful number, since it uses less digits than its factorization.

11971706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352128.

The product of its (nonzero) digits is 2646, while the sum is 32.

The square root of 11971706 is about 3460.0153178852. The cubic root of 11971706 is about 228.7627705453.

The spelling of 11971706 in words is "eleven million, nine hundred seventy-one thousand, seven hundred six".