13247317406 has 8 divisors (see below), whose sum is σ = 20734931664. Its totient is φ = 6335673520.

The previous prime is 13247317403. The next prime is 13247317409. The reversal of 13247317406 is 60471374231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13247317403) and next prime (13247317409).

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

It is a self number, because there is not a number n which added to its sum of digits gives 13247317406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247317403) 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, 143992535 + ... + 143992626.

It is an arithmetic number, because the mean of its divisors is an integer number (2591866458).

Almost surely, 2^13247317406 is an apocalyptic number.

13247317406 is a deficient number, since it is larger than the sum of its proper divisors (7487614258).

13247317406 is a wasteful number, since it uses less digits than its factorization.

13247317406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287985186.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 13247317406 in words is "thirteen billion, two hundred forty-seven million, three hundred seventeen thousand, four hundred six".