1300012668 has 36 divisors (see below), whose sum is σ = 3356065440. Its totient is φ = 424117056.

The previous prime is 1300012639. The next prime is 1300012711. The reversal of 1300012668 is 8662100031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 382473 + ... + 385856.

It is an arithmetic number, because the mean of its divisors is an integer number (93224040).

Almost surely, 2^1300012668 is an apocalyptic number.

1300012668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1300012668 is an abundant number, since it is smaller than the sum of its proper divisors (2056052772).

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

1300012668 is a wasteful number, since it uses less digits than its factorization.

1300012668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768386 (or 768381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1300012668 is about 36055.6884277641. The cubic root of 1300012668 is about 1091.3964281176.

Adding to 1300012668 its reverse (8662100031), we get a palindrome (9962112699).

The spelling of 1300012668 in words is "one billion, three hundred million, twelve thousand, six hundred sixty-eight".