4013172 has 24 divisors (see below), whose sum is σ = 10404800. Its totient is φ = 1337688.

The previous prime is 4013159. The next prime is 4013179. The reversal of 4013172 is 2713104.

It is a super-2 number, since 2×4013172² = 32211099003168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013179) 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, 18472 + ... + 18687.

Almost surely, 2^4013172 is an apocalyptic number.

It is an amenable number.

4013172 is an abundant number, since it is smaller than the sum of its proper divisors (6391628).

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

4013172 is a wasteful number, since it uses less digits than its factorization.

4013172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37172 (or 37164 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 4013172 is about 2003.2902934922. The cubic root of 4013172 is about 158.9141580066.

Adding to 4013172 its reverse (2713104), we get a palindrome (6726276).

The spelling of 4013172 in words is "four million, thirteen thousand, one hundred seventy-two".