10013505 has 16 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 5327168.

The previous prime is 10013501. The next prime is 10013519. The reversal of 10013505 is 50531001.

It is a cyclic number.

It is not a de Polignac number, because 10013505 - 2² = 10013501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10013501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9379 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860).

Almost surely, 2^10013505 is an apocalyptic number.

10013505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10013505 is a deficient number, since it is larger than the sum of its proper divisors (6048255).

10013505 is a wasteful number, since it uses less digits than its factorization.

10013505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 10013505 is about 3164.4122677047. The cubic root of 10013505 is about 215.5404108446.

Adding to 10013505 its reverse (50531001), we get a palindrome (60544506).

The spelling of 10013505 in words is "ten million, thirteen thousand, five hundred five".