12606722 has 8 divisors (see below), whose sum is σ = 19083900. Its totient is φ = 6245424.

The previous prime is 12606703. The next prime is 12606731. The reversal of 12606722 is 22760621.

It can be written as a sum of positive squares in 2 ways, for example, as 12453841 + 152881 = 3529^2 + 391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12606691 and 12606700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28697 + ... + 29132.

Almost surely, 2^12606722 is an apocalyptic number.

12606722 is a deficient number, since it is larger than the sum of its proper divisors (6477178).

12606722 is a wasteful number, since it uses less digits than its factorization.

12606722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57940.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 12606722 is about 3550.5945980920. The cubic root of 12606722 is about 232.7380503986.

The spelling of 12606722 in words is "twelve million, six hundred six thousand, seven hundred twenty-two".