3678013 has 4 divisors (see below), whose sum is σ = 3729888. Its totient is φ = 3626140.

The previous prime is 3678011. The next prime is 3678023. The reversal of 3678013 is 3108763.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3108763 = 7 ⋅444109.

It is a cyclic number.

It is not a de Polignac number, because 3678013 - 2¹ = 3678011 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25831 + ... + 25972.

It is an arithmetic number, because the mean of its divisors is an integer number (932472).

Almost surely, 2^3678013 is an apocalyptic number.

It is an amenable number.

3678013 is a deficient number, since it is larger than the sum of its proper divisors (51875).

3678013 is an equidigital number, since it uses as much as digits as its factorization.

3678013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51874.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3678013 is about 1917.8146417211. The cubic root of 3678013 is about 154.3610603880.

The spelling of 3678013 in words is "three million, six hundred seventy-eight thousand, thirteen".