12712722 has 16 divisors (see below), whose sum is σ = 27736992. Its totient is φ = 3852320.

The previous prime is 12712703. The next prime is 12712727. The reversal of 12712722 is 22721721.

12712722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12712722² = 323226601298568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12712692 and 12712701.

It is not an unprimeable number, because it can be changed into a prime (12712727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96243 + ... + 96374.

It is an arithmetic number, because the mean of its divisors is an integer number (1733562).

Almost surely, 2^12712722 is an apocalyptic number.

12712722 is an abundant number, since it is smaller than the sum of its proper divisors (15024270).

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

12712722 is a wasteful number, since it uses less digits than its factorization.

12712722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192633.

The product of its digits is 784, while the sum is 24.

The square root of 12712722 is about 3565.4904290995. The cubic root of 12712722 is about 233.3885343320.

It can be divided in two parts, 1271 and 2722, that added together give a palindrome (3993).

The spelling of 12712722 in words is "twelve million, seven hundred twelve thousand, seven hundred twenty-two".