1306795993 has 8 divisors (see below), whose sum is σ = 1339269120. Its totient is φ = 1274351520.

The previous prime is 1306795981. The next prime is 1306796027. The reversal of 1306795993 is 3995976031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1306795993 - 2⁵ = 1306795961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1306795993.

It is not an unprimeable number, because it can be changed into a prime (1306795493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107688 + ... + 119206.

It is an arithmetic number, because the mean of its divisors is an integer number (167408640).

Almost surely, 2^1306795993 is an apocalyptic number.

It is an amenable number.

1306795993 is a deficient number, since it is larger than the sum of its proper divisors (32473127).

1306795993 is a wasteful number, since it uses less digits than its factorization.

1306795993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14327.

The product of its (nonzero) digits is 1377810, while the sum is 52.

The square root of 1306795993 is about 36149.6333729680. The cubic root of 1306795993 is about 1093.2913987134.

The spelling of 1306795993 in words is "one billion, three hundred six million, seven hundred ninety-five thousand, nine hundred ninety-three".