3685013 has 4 divisors (see below), whose sum is σ = 3694188. Its totient is φ = 3675840.

The previous prime is 3685009. The next prime is 3685021. The reversal of 3685013 is 3105863.

3685013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1304164 + 2380849 = 1142^2 + 1543^2 .

It is a cyclic number.

It is not a de Polignac number, because 3685013 - 2² = 3685009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684013) 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, 3956 + ... + 4797.

It is an arithmetic number, because the mean of its divisors is an integer number (923547).

Almost surely, 2^3685013 is an apocalyptic number.

It is an amenable number.

3685013 is a deficient number, since it is larger than the sum of its proper divisors (9175).

3685013 is an equidigital number, since it uses as much as digits as its factorization.

3685013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9174.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3685013 is about 1919.6387681020. The cubic root of 3685013 is about 154.4589250647.

It can be divided in two parts, 36850 and 13, that added together give a palindrome (36863).

The spelling of 3685013 in words is "three million, six hundred eighty-five thousand, thirteen".