12722568 has 32 divisors (see below), whose sum is σ = 31894560. Its totient is φ = 4229120.

The previous prime is 12722543. The next prime is 12722573. The reversal of 12722568 is 86522721.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14971 + ... + 15797.

It is an arithmetic number, because the mean of its divisors is an integer number (996705).

Almost surely, 2^12722568 is an apocalyptic number.

It is an amenable number.

12722568 is an abundant number, since it is smaller than the sum of its proper divisors (19171992).

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

12722568 is a wasteful number, since it uses less digits than its factorization.

12722568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477 (or 1473 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 12722568 is about 3566.8708975796. The cubic root of 12722568 is about 233.4487719038.

The spelling of 12722568 in words is "twelve million, seven hundred twenty-two thousand, five hundred sixty-eight".