4047013 has 2 divisors, whose sum is σ = 4047014. Its totient is φ = 4047012.

The previous prime is 4046993. The next prime is 4047041. The reversal of 4047013 is 3107404.

4047013 = 1422² + 1423².

It is a happy number.

4047013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 2022084 = 1423^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4047013 - 2¹⁷ = 3915941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4047053) 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 as a sum of consecutive naturals, namely, 2023506 + 2023507.

It is an arithmetic number, because the mean of its divisors is an integer number (2023507).

Almost surely, 2^4047013 is an apocalyptic number.

4047013 is the 1423-rd centered square number.

It is an amenable number.

4047013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4047013 is an equidigital number, since it uses as much as digits as its factorization.

4047013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 4047013 is about 2011.7189167476. The cubic root of 4047013 is about 159.3595885649.

The spelling of 4047013 in words is "four million, forty-seven thousand, thirteen".