1308663812 has 12 divisors (see below), whose sum is σ = 2292042816. Its totient is φ = 653794440.

The previous prime is 1308663761. The next prime is 1308663827. The reversal of 1308663812 is 2183668031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128864 + ... + 138647.

It is an arithmetic number, because the mean of its divisors is an integer number (191003568).

Almost surely, 2^1308663812 is an apocalyptic number.

It is an amenable number.

1308663812 is a deficient number, since it is larger than the sum of its proper divisors (983379004).

1308663812 is a wasteful number, since it uses less digits than its factorization.

1308663812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268738 (or 268736 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1308663812 is about 36175.4586978521. The cubic root of 1308663812 is about 1093.8120355257.

The spelling of 1308663812 in words is "one billion, three hundred eight million, six hundred sixty-three thousand, eight hundred twelve".