13000660306 has 8 divisors (see below), whose sum is σ = 19507872780. Its totient is φ = 6498036048.

The previous prime is 13000660297. The next prime is 13000660313. The reversal of 13000660306 is 60306600031.

It can be written as a sum of positive squares in 2 ways, for example, as 12998052081 + 2608225 = 114009^2 + 1615^2 .

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

It is a super-3 number, since 3×13000660306³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139961 + ... + 1151308.

Almost surely, 2^13000660306 is an apocalyptic number.

13000660306 is a deficient number, since it is larger than the sum of its proper divisors (6507212474).

13000660306 is a wasteful number, since it uses less digits than its factorization.

13000660306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294108.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 13000660306 in words is "thirteen billion, six hundred sixty thousand, three hundred six".