12712626 has 40 divisors (see below), whose sum is σ = 28814940. Its totient is φ = 4188672.

The previous prime is 12712619. The next prime is 12712627. The reversal of 12712626 is 62621721.

12712626 is a `hidden beast` number, since 1 + 27 + 12 + 626 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 455625 = 3501^2 + 675^2 .

It is a super-2 number, since 2×12712626² = 323221719631752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 12712626.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15310 + ... + 16118.

Almost surely, 2^12712626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12712626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14407470).

12712626 is an abundant number, since it is smaller than the sum of its proper divisors (16102314).

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

12712626 is an equidigital number, since it uses as much as digits as its factorization.

12712626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 911 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12712626 is about 3565.4769666904. The cubic root of 12712626 is about 233.3879468535.

The spelling of 12712626 in words is "twelve million, seven hundred twelve thousand, six hundred twenty-six".