9859013 has 2 divisors, whose sum is σ = 9859014. Its totient is φ = 9859012.

The previous prime is 9859001. The next prime is 9859021. The reversal of 9859013 is 3109589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7496644 + 2362369 = 2738^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 9859013 - 2⁶ = 9858949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9859033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4929506 + 4929507.

It is an arithmetic number, because the mean of its divisors is an integer number (4929507).

Almost surely, 2^9859013 is an apocalyptic number.

It is an amenable number.

9859013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9859013 is an equidigital number, since it uses as much as digits as its factorization.

9859013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 9859013 is about 3139.9065272712. The cubic root of 9859013 is about 214.4261821654.

The spelling of 9859013 in words is "nine million, eight hundred fifty-nine thousand, thirteen".