2013826 has 8 divisors (see below), whose sum is σ = 3034620. Its totient is φ = 1002288.

The previous prime is 2013821. The next prime is 2013833. The reversal of 2013826 is 6283102.

It can be written as a sum of positive squares in 2 ways, for example, as 1890625 + 123201 = 1375^2 + 351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2013797 and 2013806.

It is not an unprimeable number, because it can be changed into a prime (2013821) 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 3 ways as a sum of consecutive naturals, for example, 1741 + ... + 2656.

2^2013826 is an apocalyptic number.

2013826 is a deficient number, since it is larger than the sum of its proper divisors (1020794).

2013826 is a wasteful number, since it uses less digits than its factorization.

2013826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2013826 is about 1419.0933725446. The cubic root of 2013826 is about 126.2817663423.

Adding to 2013826 its reverse (6283102), we get a palindrome (8296928).

It can be divided in two parts, 20138 and 26, that added together give a square (20164 = 142²).

The spelling of 2013826 in words is "two million, thirteen thousand, eight hundred twenty-six".