9850013 has 2 divisors, whose sum is σ = 9850014. Its totient is φ = 9850012.

The previous prime is 9850007. The next prime is 9850067. The reversal of 9850013 is 3100589.

9850013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 1194649 = 2942^2 + 1093^2 .

It is a cyclic number.

It is not a de Polignac number, because 9850013 - 2¹² = 9845917 is a prime.

It is a super-2 number, since 2×9850013² = 194045512200338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9850613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4925006 + 4925007.

It is an arithmetic number, because the mean of its divisors is an integer number (4925007).

Almost surely, 2^9850013 is an apocalyptic number.

It is an amenable number.

9850013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9850013 is an equidigital number, since it uses as much as digits as its factorization.

9850013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 9850013 is about 3138.4730363666. The cubic root of 9850013 is about 214.3609145378.

The spelling of 9850013 in words is "nine million, eight hundred fifty thousand, thirteen".