12722612 has 12 divisors (see below), whose sum is σ = 25445280. Its totient is φ = 5452536.

The previous prime is 12722603. The next prime is 12722623. The reversal of 12722612 is 21622721.

It is a happy number.

12722612 is an admirable number.

It is a super-2 number, since 2×12722612² = 323729712205088, which contains 22 as substring.

It is a congruent number.

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, 227162 + ... + 227217.

It is an arithmetic number, because the mean of its divisors is an integer number (2120440).

Almost surely, 2^12722612 is an apocalyptic number.

It is an amenable number.

12722612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12722612 is a wasteful number, since it uses less digits than its factorization.

12722612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454390 (or 454388 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 12722612 is about 3566.8770654453. The cubic root of 12722612 is about 233.4490410249.

The spelling of 12722612 in words is "twelve million, seven hundred twenty-two thousand, six hundred twelve".