1312668348 has 12 divisors (see below), whose sum is σ = 3062892840. Its totient is φ = 437556112.

The previous prime is 1312668337. The next prime is 1312668349. The reversal of 1312668348 is 8438662131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312668349) 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, 54694503 + ... + 54694526.

It is an arithmetic number, because the mean of its divisors is an integer number (255241070).

Almost surely, 2^1312668348 is an apocalyptic number.

It is an amenable number.

1312668348 is an abundant number, since it is smaller than the sum of its proper divisors (1750224492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312668348 is a wasteful number, since it uses less digits than its factorization.

1312668348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109389036 (or 109389034 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1312668348 is about 36230.7652141105. The cubic root of 1312668348 is about 1094.9265946080.

The spelling of 1312668348 in words is "one billion, three hundred twelve million, six hundred sixty-eight thousand, three hundred forty-eight".