1306860979 has 8 divisors (see below), whose sum is σ = 1358355600. Its totient is φ = 1256217696.

The previous prime is 1306860977. The next prime is 1306861037. The reversal of 1306860979 is 9790686031.

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 1306860979 - 2¹ = 1306860977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306860977) 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, 209704 + ... + 215845.

It is an arithmetic number, because the mean of its divisors is an integer number (169794450).

Almost surely, 2^1306860979 is an apocalyptic number.

1306860979 is a deficient number, since it is larger than the sum of its proper divisors (51494621).

1306860979 is an equidigital number, since it uses as much as digits as its factorization.

1306860979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425669.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1306860979 is about 36150.5322090837. The cubic root of 1306860979 is about 1093.3095212711.

It can be divided in two parts, 13068 and 60979, that added together give a palindrome (74047).

The spelling of 1306860979 in words is "one billion, three hundred six million, eight hundred sixty thousand, nine hundred seventy-nine".