12715226 has 8 divisors (see below), whose sum is σ = 19172244. Its totient is φ = 6324480.

The previous prime is 12715211. The next prime is 12715249. The reversal of 12715226 is 62251721.

It can be written as a sum of positive squares in 2 ways, for example, as 12609601 + 105625 = 3551^2 + 325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12715195 and 12715204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16085 + ... + 16856.

Almost surely, 2^12715226 is an apocalyptic number.

12715226 is a deficient number, since it is larger than the sum of its proper divisors (6457018).

12715226 is a wasteful number, since it uses less digits than its factorization.

12715226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33136.

The product of its digits is 1680, while the sum is 26.

The square root of 12715226 is about 3565.8415556499. The cubic root of 12715226 is about 233.4038566872.

Adding to 12715226 its reverse (62251721), we get a palindrome (74966947).

The spelling of 12715226 in words is "twelve million, seven hundred fifteen thousand, two hundred twenty-six".