2612656 has 20 divisors (see below), whose sum is σ = 5088712. Its totient is φ = 1299456.

The previous prime is 2612651. The next prime is 2612677. The reversal of 2612656 is 6562162.

It is not an unprimeable number, because it can be changed into a prime (2612651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4240 + ... + 4816.

2^2612656 is an apocalyptic number.

It is an amenable number.

2612656 is a deficient number, since it is larger than the sum of its proper divisors (2476056).

2612656 is a wasteful number, since it uses less digits than its factorization.

2612656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2612656 is about 1616.3712444856. The cubic root of 2612656 is about 137.7296394051.

The spelling of 2612656 in words is "two million, six hundred twelve thousand, six hundred fifty-six".