2147712 has 128 divisors (see below), whose sum is σ = 7050240. Its totient is φ = 565248.

The previous prime is 2147699. The next prime is 2147731. The reversal of 2147712 is 2177412.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2147712² = 9225333669888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45673 + ... + 45719.

It is an arithmetic number, because the mean of its divisors is an integer number (55080).

2^2147712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3525120).

2147712 is an abundant number, since it is smaller than the sum of its proper divisors (4902528).

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

2147712 is a wasteful number, since it uses less digits than its factorization.

2147712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 76 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 2147712 is about 1465.5074206567. The cubic root of 2147712 is about 129.0204883028.

The spelling of 2147712 in words is "two million, one hundred forty-seven thousand, seven hundred twelve".