10066813 has 4 divisors (see below), whose sum is σ = 10117600. Its totient is φ = 10016028.

The previous prime is 10066807. The next prime is 10066829. The reversal of 10066813 is 31866001.

10066813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10066813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10066213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25095 + ... + 25492.

It is an arithmetic number, because the mean of its divisors is an integer number (2529400).

Almost surely, 2^10066813 is an apocalyptic number.

It is an amenable number.

10066813 is a deficient number, since it is larger than the sum of its proper divisors (50787).

10066813 is an equidigital number, since it uses as much as digits as its factorization.

10066813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50786.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10066813 is about 3172.8241363177. The cubic root of 10066813 is about 215.9222185078.

The spelling of 10066813 in words is "ten million, sixty-six thousand, eight hundred thirteen".