1186706 has 4 divisors (see below), whose sum is σ = 1780062. Its totient is φ = 593352.

The previous prime is 1186699. The next prime is 1186739. The reversal of 1186706 is 6076811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6076811 = 13 ⋅467447.

It can be written as a sum of positive squares in only one way, i.e., 874225 + 312481 = 935^2 + 559^2 .

It is a super-2 number, since 2×1186706² = 2816542260872, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 296675 + ... + 296678.

2^1186706 is an apocalyptic number.

1186706 is a deficient number, since it is larger than the sum of its proper divisors (593356).

1186706 is an equidigital number, since it uses as much as digits as its factorization.

1186706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593355.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1186706 is about 1089.3603627818. The cubic root of 1186706 is about 105.8719826324.

The spelling of 1186706 in words is "one million, one hundred eighty-six thousand, seven hundred six".