1006913 has 4 divisors (see below), whose sum is σ = 1011540. Its totient is φ = 1002288.

The previous prime is 1006897. The next prime is 1006933. The reversal of 1006913 is 3196001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 744769 + 262144 = 863^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006913 - 2⁴ = 1006897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1006933) 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, 1970 + ... + 2427.

It is an arithmetic number, because the mean of its divisors is an integer number (252885).

2^1006913 is an apocalyptic number.

It is an amenable number.

1006913 is a deficient number, since it is larger than the sum of its proper divisors (4627).

1006913 is an equidigital number, since it uses as much as digits as its factorization.

1006913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1006913 is about 1003.4505468632. The cubic root of 1006913 is about 100.2299043681.

The spelling of 1006913 in words is "one million, six thousand, nine hundred thirteen".