10013538 has 16 divisors (see below), whose sum is σ = 20453760. Its totient is φ = 3266736.

The previous prime is 10013537. The next prime is 10013543. The reversal of 10013538 is 83531001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10013537) 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 in 7 ways as a sum of consecutive naturals, for example, 17473 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (1278360).

Almost surely, 2^10013538 is an apocalyptic number.

10013538 is an abundant number, since it is smaller than the sum of its proper divisors (10440222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10013538 is a wasteful number, since it uses less digits than its factorization.

10013538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35561.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10013538 is about 3164.4174819388. The cubic root of 10013538 is about 215.5406476190.

Adding to 10013538 its reverse (83531001), we get a palindrome (93544539).

The spelling of 10013538 in words is "ten million, thirteen thousand, five hundred thirty-eight".