13406813347 has 12 divisors (see below), whose sum is σ = 13724723376. Its totient is φ = 13093658480.

The previous prime is 13406813291. The next prime is 13406813389. The reversal of 13406813347 is 74331860431.

It is not a de Polignac number, because 13406813347 - 2⁷ = 13406813219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13406813647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804633 + ... + 821125.

It is an arithmetic number, because the mean of its divisors is an integer number (1143726948).

Almost surely, 2^13406813347 is an apocalyptic number.

13406813347 is a deficient number, since it is larger than the sum of its proper divisors (317910029).

13406813347 is an equidigital number, since it uses as much as digits as its factorization.

13406813347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16778 (or 16671 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 13406813347 in words is "thirteen billion, four hundred six million, eight hundred thirteen thousand, three hundred forty-seven".