10566973 has 4 divisors (see below), whose sum is σ = 10579900. Its totient is φ = 10554048.

The previous prime is 10566967. The next prime is 10566977. The reversal of 10566973 is 37966501.

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 8139609 + 2427364 = 2853^2 + 1558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10566973 is a prime.

It is a super-2 number, since 2×10566973² = 223321836765458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10566977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5148 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (2644975).

Almost surely, 2^10566973 is an apocalyptic number.

It is an amenable number.

10566973 is a deficient number, since it is larger than the sum of its proper divisors (12927).

10566973 is an equidigital number, since it uses as much as digits as its factorization.

10566973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 10566973 is about 3250.6880810069. The cubic root of 10566973 is about 219.4405413158.

The spelling of 10566973 in words is "ten million, five hundred sixty-six thousand, nine hundred seventy-three".