1166347 has 12 divisors (see below), whose sum is σ = 1461936. Its totient is φ = 922320.

The previous prime is 1166329. The next prime is 1166359. The reversal of 1166347 is 7436611.

It is not a de Polignac number, because 1166347 - 2⁷ = 1166219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (121828).

2^1166347 is an apocalyptic number.

1166347 is a deficient number, since it is larger than the sum of its proper divisors (295589).

1166347 is a wasteful number, since it uses less digits than its factorization.

1166347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1851 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 1166347 is about 1079.9754626842. The cubic root of 1166347 is about 105.2630441797.

The spelling of 1166347 in words is "one million, one hundred sixty-six thousand, three hundred forty-seven".