1299738713 has 16 divisors (see below), whose sum is σ = 1600959360. Its totient is φ = 1027541376.

The previous prime is 1299738707. The next prime is 1299738743. The reversal of 1299738713 is 3178379921.

It is a cyclic number.

It is not a de Polignac number, because 1299738713 - 2¹² = 1299734617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1299738703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124853 + ... + 134861.

It is an arithmetic number, because the mean of its divisors is an integer number (100059960).

Almost surely, 2^1299738713 is an apocalyptic number.

1299738713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1299738713 is a deficient number, since it is larger than the sum of its proper divisors (301220647).

1299738713 is a wasteful number, since it uses less digits than its factorization.

1299738713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11456.

The product of its digits is 571536, while the sum is 50.

The square root of 1299738713 is about 36051.8891738006. The cubic root of 1299738713 is about 1091.3197584766.

The spelling of 1299738713 in words is "one billion, two hundred ninety-nine million, seven hundred thirty-eight thousand, seven hundred thirteen".