4013004 has 24 divisors (see below), whose sum is σ = 9435888. Its totient is φ = 1327360.

The previous prime is 4012999. The next prime is 4013021. The reversal of 4013004 is 4003104.

It is a super-2 number, since 2×4013004² = 32208402208032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 2864.

It is an arithmetic number, because the mean of its divisors is an integer number (393162).

Almost surely, 2^4013004 is an apocalyptic number.

It is an amenable number.

4013004 is an abundant number, since it is smaller than the sum of its proper divisors (5422884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4013004 is a wasteful number, since it uses less digits than its factorization.

4013004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2583 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4013004 is about 2003.2483620360. The cubic root of 4013004 is about 158.9119404796.

Adding to 4013004 its reverse (4003104), we get a palindrome (8016108).

The spelling of 4013004 in words is "four million, thirteen thousand, four".