2012688 has 50 divisors (see below), whose sum is σ = 5829054. Its totient is φ = 670464.

The previous prime is 2012677. The next prime is 2012693. The reversal of 2012688 is 8862102.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 685584 = 1152^2 + 828^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 520 + ... + 2072.

2^2012688 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 2012688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914527).

2012688 is an abundant number, since it is smaller than the sum of its proper divisors (3816366).

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

2012688 is a wasteful number, since it uses less digits than its factorization.

2012688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2012688 is about 1418.6923556571. The cubic root of 2012688 is about 126.2579748581.

The spelling of 2012688 in words is "two million, twelve thousand, six hundred eighty-eight".