12720652 has 24 divisors (see below), whose sum is σ = 26781440. Its totient is φ = 5164560.

The previous prime is 12720649. The next prime is 12720707. The reversal of 12720652 is 25602721.

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, 11424 + ... + 12487.

Almost surely, 2^12720652 is an apocalyptic number.

It is an amenable number.

12720652 is an abundant number, since it is smaller than the sum of its proper divisors (14060788).

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

12720652 is a wasteful number, since it uses less digits than its factorization.

12720652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23941 (or 23939 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12720652 is about 3566.6023047152. The cubic root of 12720652 is about 233.4370523018.

The spelling of 12720652 in words is "twelve million, seven hundred twenty thousand, six hundred fifty-two".