1066913 has 2 divisors, whose sum is σ = 1066914. Its totient is φ = 1066912.

The previous prime is 1066909. The next prime is 1066931. The reversal of 1066913 is 3196601.

Together with next prime (1066931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 667489 + 399424 = 817^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066913 - 2² = 1066909 is a prime.

It is a super-2 number, since 2×1066913² = 2276606699138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533456 + 533457.

It is an arithmetic number, because the mean of its divisors is an integer number (533457).

2^1066913 is an apocalyptic number.

It is an amenable number.

1066913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066913 is an equidigital number, since it uses as much as digits as its factorization.

1066913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1066913 is about 1032.9148077165. The cubic root of 1066913 is about 102.1824556953.

The spelling of 1066913 in words is "one million, sixty-six thousand, nine hundred thirteen".