3556013 has 4 divisors (see below), whose sum is σ = 3562428. Its totient is φ = 3549600.

The previous prime is 3556001. The next prime is 3556019. The reversal of 3556013 is 3106553.

3556013 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, and also an emirpimes, since its reverse is a distinct semiprime: 3106553 = 211 ⋅14723.

It can be written as a sum of positive squares in 2 ways, for example, as 1646089 + 1909924 = 1283^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 3556013 - 2⁶ = 3555949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3556013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3556019) 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, 2288 + ... + 3513.

It is an arithmetic number, because the mean of its divisors is an integer number (890607).

Almost surely, 2^3556013 is an apocalyptic number.

It is an amenable number.

3556013 is a deficient number, since it is larger than the sum of its proper divisors (6415).

3556013 is an equidigital number, since it uses as much as digits as its factorization.

3556013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 3556013 is about 1885.7393775387. The cubic root of 3556013 is about 152.6351109327.

The spelling of 3556013 in words is "three million, five hundred fifty-six thousand, thirteen".