2108013 has 4 divisors (see below), whose sum is σ = 2810688. Its totient is φ = 1405340.

The previous prime is 2108009. The next prime is 2108033. The reversal of 2108013 is 3108012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2108013 - 2² = 2108009 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2107983 and 2108001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351333 + ... + 351338.

It is an arithmetic number, because the mean of its divisors is an integer number (702672).

2^2108013 is an apocalyptic number.

It is an amenable number.

2108013 is a deficient number, since it is larger than the sum of its proper divisors (702675).

2108013 is an equidigital number, since it uses as much as digits as its factorization.

2108013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702674.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2108013 is about 1451.8997899304. The cubic root of 2108013 is about 128.2205872460.

Subtracting 2108013 from its reverse (3108012), we obtain a palindrome (999999).

The spelling of 2108013 in words is "two million, one hundred eight thousand, thirteen".