4013506 has 16 divisors (see below), whose sum is σ = 6911424. Its totient is φ = 1712304.

The previous prime is 4013497. The next prime is 4013507. The reversal of 4013506 is 6053104.

It is a super-2 number, since 2×4013506² = 32216460824072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013507) 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 7 ways as a sum of consecutive naturals, for example, 3456 + ... + 4468.

It is an arithmetic number, because the mean of its divisors is an integer number (431964).

Almost surely, 2^4013506 is an apocalyptic number.

4013506 is a deficient number, since it is larger than the sum of its proper divisors (2897918).

4013506 is a wasteful number, since it uses less digits than its factorization.

4013506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 4013506 is about 2003.3736546136. The cubic root of 4013506 is about 158.9185664775.

The spelling of 4013506 in words is "four million, thirteen thousand, five hundred six".