2645712 has 60 divisors (see below), whose sum is σ = 7802080. Its totient is φ = 834624.

The previous prime is 2645711. The next prime is 2645717. The reversal of 2645712 is 2175462.

2645712 is a `hidden beast` number, since 2 + 645 + 7 + 12 = 666.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2253 + ... + 3219.

2^2645712 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 2645712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901040).

2645712 is an abundant number, since it is smaller than the sum of its proper divisors (5156368).

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

2645712 is a wasteful number, since it uses less digits than its factorization.

2645712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 991 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2645712 is about 1626.5644776645. The cubic root of 2645712 is about 138.3080704177.

The spelling of 2645712 in words is "two million, six hundred forty-five thousand, seven hundred twelve".