13305613306 has 4 divisors (see below), whose sum is σ = 19958419962. Its totient is φ = 6652806652.

The previous prime is 13305613301. The next prime is 13305613309. The reversal of 13305613306 is 60331650331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60331650331 = 67 ⋅900472393.

It can be written as a sum of positive squares in only one way, i.e., 10939277281 + 2366336025 = 104591^2 + 48645^2 .

It is not an unprimeable number, because it can be changed into a prime (13305613301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326403325 + ... + 3326403328.

Almost surely, 2^13305613306 is an apocalyptic number.

13305613306 is a deficient number, since it is larger than the sum of its proper divisors (6652806656).

13305613306 is an equidigital number, since it uses as much as digits as its factorization.

13305613306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652806655.

The product of its (nonzero) digits is 14580, while the sum is 31.

The spelling of 13305613306 in words is "thirteen billion, three hundred five million, six hundred thirteen thousand, three hundred six".