12580226 has 4 divisors (see below), whose sum is σ = 18870342. Its totient is φ = 6290112.

The previous prime is 12580207. The next prime is 12580231. The reversal of 12580226 is 62208521.

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., 6325225 + 6255001 = 2515^2 + 2501^2 .

It is a super-2 number, since 2×12580226² = 316524172422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12580195 and 12580204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3145055 + ... + 3145058.

Almost surely, 2^12580226 is an apocalyptic number.

12580226 is a deficient number, since it is larger than the sum of its proper divisors (6290116).

12580226 is an equidigital number, since it uses as much as digits as its factorization.

12580226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290115.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12580226 is about 3546.8614294895. The cubic root of 12580226 is about 232.5748847308.

Adding to 12580226 its reverse (62208521), we get a palindrome (74788747).

The spelling of 12580226 in words is "twelve million, five hundred eighty thousand, two hundred twenty-six".