4009013 has 8 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 3828240.

The previous prime is 4009007. The next prime is 4009037. The reversal of 4009013 is 3109004.

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

It is a cyclic number.

It is not a de Polignac number, because 4009013 - 2⁴ = 4008997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4008982 and 4009000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (524160).

Almost surely, 2^4009013 is an apocalyptic number.

It is an amenable number.

4009013 is a deficient number, since it is larger than the sum of its proper divisors (184267).

4009013 is a wasteful number, since it uses less digits than its factorization.

4009013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 4009013 is about 2002.2519821441. The cubic root of 4009013 is about 158.8592428066.

Subtracting from 4009013 its reverse (3109004), we obtain a palindrome (900009).

The spelling of 4009013 in words is "four million, nine thousand, thirteen".