2656012 has 24 divisors (see below), whose sum is σ = 4974480. Its totient is φ = 1236480.

The previous prime is 2656009. The next prime is 2656013. The reversal of 2656012 is 2106562.

It is not an unprimeable number, because it can be changed into a prime (2656013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9312 + ... + 9592.

It is an arithmetic number, because the mean of its divisors is an integer number (207270).

2^2656012 is an apocalyptic number.

It is an amenable number.

2656012 is a deficient number, since it is larger than the sum of its proper divisors (2318468).

2656012 is a wasteful number, since it uses less digits than its factorization.

2656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2656012 is about 1629.7275845981. The cubic root of 2656012 is about 138.4873200172.

The spelling of 2656012 in words is "two million, six hundred fifty-six thousand, twelve".