10013858 has 4 divisors (see below), whose sum is σ = 15020790. Its totient is φ = 5006928.

The previous prime is 10013851. The next prime is 10013863. The reversal of 10013858 is 85831001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85831001 = 1277 ⋅67213.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 1151329 = 2977^2 + 1073^2 .

It is not an unprimeable number, because it can be changed into a prime (10013851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503463 + ... + 2503466.

Almost surely, 2^10013858 is an apocalyptic number.

10013858 is a deficient number, since it is larger than the sum of its proper divisors (5006932).

10013858 is an equidigital number, since it uses as much as digits as its factorization.

10013858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006931.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 10013858 is about 3164.4680437634. The cubic root of 10013858 is about 215.5429435865.

Adding to 10013858 its reverse (85831001), we get a palindrome (95844859).

The spelling of 10013858 in words is "ten million, thirteen thousand, eight hundred fifty-eight".