4013572 has 12 divisors (see below), whose sum is σ = 7195356. Its totient is φ = 1957760.

The previous prime is 4013567. The next prime is 4013573. The reversal of 4013572 is 2753104.

4013572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 2515396 = 1224^2 + 1586^2 .

It is a super-2 number, since 2×4013572² = 32217520398368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013573) 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, 12073 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (599613).

Almost surely, 2^4013572 is an apocalyptic number.

It is an amenable number.

4013572 is a deficient number, since it is larger than the sum of its proper divisors (3181784).

4013572 is a wasteful number, since it uses less digits than its factorization.

4013572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24518 (or 24516 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 4013572 is about 2003.3901267601. The cubic root of 4013572 is about 158.9194375835.

Adding to 4013572 its reverse (2753104), we get a palindrome (6766676).

The spelling of 4013572 in words is "four million, thirteen thousand, five hundred seventy-two".