1005707 has 4 divisors (see below), whose sum is σ = 1022256. Its totient is φ = 989160.

The previous prime is 1005701. The next prime is 1005709. The reversal of 1005707 is 7075001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7075001 = 41 ⋅172561.

It is a cyclic number.

It is not a de Polignac number, because 1005707 - 2⁶ = 1005643 is a prime.

It is a super-2 number, since 2×1005707² = 2022893139698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8183 + ... + 8304.

It is an arithmetic number, because the mean of its divisors is an integer number (255564).

2^1005707 is an apocalyptic number.

1005707 is a deficient number, since it is larger than the sum of its proper divisors (16549).

1005707 is an equidigital number, since it uses as much as digits as its factorization.

1005707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16548.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 1005707 is about 1002.8494403449. The cubic root of 1005707 is about 100.1898725892.

The spelling of 1005707 in words is "one million, five thousand, seven hundred seven".