13306509646 has 8 divisors (see below), whose sum is σ = 19976498784. Its totient is φ = 6647676720.

The previous prime is 13306509617. The next prime is 13306509661. The reversal of 13306509646 is 64690560331.

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

It is a congruent number.

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, 2786070 + ... + 2790841.

It is an arithmetic number, because the mean of its divisors is an integer number (2497062348).

Almost surely, 2^13306509646 is an apocalyptic number.

13306509646 is a deficient number, since it is larger than the sum of its proper divisors (6669989138).

13306509646 is a wasteful number, since it uses less digits than its factorization.

13306509646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578106.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 13306509646 in words is "thirteen billion, three hundred six million, five hundred nine thousand, six hundred forty-six".