4128712 has 16 divisors (see below), whose sum is σ = 8847360. Its totient is φ = 1769424.

The previous prime is 4128697. The next prime is 4128713. The reversal of 4128712 is 2178214.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4128713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36808 + ... + 36919.

It is an arithmetic number, because the mean of its divisors is an integer number (552960).

Almost surely, 2^4128712 is an apocalyptic number.

It is an amenable number.

4128712 is an abundant number, since it is smaller than the sum of its proper divisors (4718648).

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

4128712 is a wasteful number, since it uses less digits than its factorization.

4128712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73740 (or 73736 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 4128712 is about 2031.9232268961. The cubic root of 4128712 is about 160.4248086121.

The spelling of 4128712 in words is "four million, one hundred twenty-eight thousand, seven hundred twelve".