1313224412 has 12 divisors (see below), whose sum is σ = 2321835600. Its totient is φ = 649842816.

The previous prime is 1313224397. The next prime is 1313224417. The reversal of 1313224412 is 2144223131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313224417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691912 + ... + 1692687.

It is an arithmetic number, because the mean of its divisors is an integer number (193486300).

Almost surely, 2^1313224412 is an apocalyptic number.

It is an amenable number.

1313224412 is a deficient number, since it is larger than the sum of its proper divisors (1008611188).

1313224412 is a wasteful number, since it uses less digits than its factorization.

1313224412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384700 (or 3384698 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 1313224412 is about 36238.4383217599. The cubic root of 1313224412 is about 1095.0811813348.

Adding to 1313224412 its reverse (2144223131), we get a palindrome (3457447543).

The spelling of 1313224412 in words is "one billion, three hundred thirteen million, two hundred twenty-four thousand, four hundred twelve".