2159712 has 36 divisors (see below), whose sum is σ = 6142500. Its totient is φ = 719808.

The previous prime is 2159701. The next prime is 2159713. The reversal of 2159712 is 2179512.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3462 + ... + 4037.

It is an arithmetic number, because the mean of its divisors is an integer number (170625).

2^2159712 is an apocalyptic number.

It is an amenable number.

2159712 is an abundant number, since it is smaller than the sum of its proper divisors (3982788).

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

2159712 is a wasteful number, since it uses less digits than its factorization.

2159712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7515 (or 7504 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 2159712 is about 1469.5958628140. The cubic root of 2159712 is about 129.2603359874.

It can be divided in two parts, 21597 and 12, that added together give a square (21609 = 147²).

The spelling of 2159712 in words is "two million, one hundred fifty-nine thousand, seven hundred twelve".