12812626 has 4 divisors (see below), whose sum is σ = 19218942. Its totient is φ = 6406312.

The previous prime is 12812621. The next prime is 12812629. The reversal of 12812626 is 62621821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8614225 + 4198401 = 2935^2 + 2049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12812594 and 12812603.

It is not an unprimeable number, because it can be changed into a prime (12812621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3203155 + ... + 3203158.

Almost surely, 2^12812626 is an apocalyptic number.

12812626 is a deficient number, since it is larger than the sum of its proper divisors (6406316).

12812626 is an equidigital number, since it uses as much as digits as its factorization.

12812626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406315.

The product of its digits is 2304, while the sum is 28.

The square root of 12812626 is about 3579.4728662193. The cubic root of 12812626 is about 233.9983076314.

The spelling of 12812626 in words is "twelve million, eight hundred twelve thousand, six hundred twenty-six".