10069813 has 4 divisors (see below), whose sum is σ = 10844428. Its totient is φ = 9295200.

The previous prime is 10069793. The next prime is 10069847. The reversal of 10069813 is 31896001.

It is a happy number.

10069813 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 an emirpimes, since its reverse is a distinct semiprime: 31896001 = 181 ⋅176221.

It can be written as a sum of positive squares in 2 ways, for example, as 6041764 + 4028049 = 2458^2 + 2007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10069813 is a prime.

It is a super-2 number, since 2×10069813² = 202802267709938, 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 (10069853) 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, 387288 + ... + 387313.

It is an arithmetic number, because the mean of its divisors is an integer number (2711107).

Almost surely, 2^10069813 is an apocalyptic number.

10069813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10069813 is a deficient number, since it is larger than the sum of its proper divisors (774615).

10069813 is an equidigital number, since it uses as much as digits as its factorization.

10069813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774614.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10069813 is about 3173.2968660370. The cubic root of 10069813 is about 215.9436652927.

The spelling of 10069813 in words is "ten million, sixty-nine thousand, eight hundred thirteen".