10013018 has 4 divisors (see below), whose sum is σ = 15019530. Its totient is φ = 5006508.

The previous prime is 10013011. The next prime is 10013053. The reversal of 10013018 is 81031001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81031001 = 23 ⋅3523087.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 2301289 = 2777^2 + 1517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10012993 and 10013011.

It is not an unprimeable number, because it can be changed into a prime (10013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2503253 + ... + 2503256.

Almost surely, 2^10013018 is an apocalyptic number.

10013018 is a deficient number, since it is larger than the sum of its proper divisors (5006512).

10013018 is an equidigital number, since it uses as much as digits as its factorization.

10013018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006511.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 10013018 is about 3164.3353172507. The cubic root of 10013018 is about 215.5369165675.

Adding to 10013018 its reverse (81031001), we get a palindrome (91044019).

The spelling of 10013018 in words is "ten million, thirteen thousand, eighteen".