12722616 has 32 divisors (see below), whose sum is σ = 35341200. Its totient is φ = 4240800.

The previous prime is 12722603. The next prime is 12722623. The reversal of 12722616 is 61622721.

12722616 is a `hidden beast` number, since 1 + 27 + 22 + 616 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12722616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29235 + ... + 29666.

Almost surely, 2^12722616 is an apocalyptic number.

It is an amenable number.

12722616 is an abundant number, since it is smaller than the sum of its proper divisors (22618584).

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

12722616 is a wasteful number, since it uses less digits than its factorization.

12722616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58916 (or 58906 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12722616 is about 3566.8776261599. The cubic root of 12722616 is about 233.4490654904.

The spelling of 12722616 in words is "twelve million, seven hundred twenty-two thousand, six hundred sixteen".