1171712 has 36 divisors (see below), whose sum is σ = 2452800. Its totient is φ = 557568.

The previous prime is 1171699. The next prime is 1171721. The reversal of 1171712 is 2171711.

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, 5789 + ... + 5987.

2^1171712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226400).

1171712 is an abundant number, since it is smaller than the sum of its proper divisors (1281088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171712 is an equidigital number, since it uses as much as digits as its factorization.

1171712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 224 counting only the distinct ones).

The product of its digits is 98, while the sum is 20.

The square root of 1171712 is about 1082.4564656373. The cubic root of 1171712 is about 105.4241947752.

Subtracting 1171712 from its reverse (2171711), we obtain a palindrome (999999).

The spelling of 1171712 in words is "one million, one hundred seventy-one thousand, seven hundred twelve".