1306213226 has 8 divisors (see below), whose sum is σ = 1963997280. Its totient is φ = 651547468.

The previous prime is 1306213187. The next prime is 1306213229. The reversal of 1306213226 is 6223126031.

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 = 1306213195 and 1306213204.

It is not an unprimeable number, because it can be changed into a prime (1306213229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778526 + ... + 780201.

It is an arithmetic number, because the mean of its divisors is an integer number (245499660).

Almost surely, 2^1306213226 is an apocalyptic number.

1306213226 is a deficient number, since it is larger than the sum of its proper divisors (657784054).

1306213226 is a wasteful number, since it uses less digits than its factorization.

1306213226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559148.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 1306213226 is about 36141.5719912679. The cubic root of 1306213226 is about 1093.1288564126.

Adding to 1306213226 its reverse (6223126031), we get a palindrome (7529339257).

The spelling of 1306213226 in words is "one billion, three hundred six million, two hundred thirteen thousand, two hundred twenty-six".