1306964986 has 8 divisors (see below), whose sum is σ = 2013432660. Its totient is φ = 635820768.

The previous prime is 1306964983. The next prime is 1306964987. The reversal of 1306964986 is 6894696031.

It can be written as a sum of positive squares in 2 ways, for example, as 1298232961 + 8732025 = 36031^2 + 2955^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1306964983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8830771 + ... + 8830918.

Almost surely, 2^1306964986 is an apocalyptic number.

1306964986 is a deficient number, since it is larger than the sum of its proper divisors (706467674).

1306964986 is a wasteful number, since it uses less digits than its factorization.

1306964986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661728.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 1306964986 is about 36151.9707070030. The cubic root of 1306964986 is about 1093.3385243119.

The spelling of 1306964986 in words is "one billion, three hundred six million, nine hundred sixty-four thousand, nine hundred eighty-six".