13700000208 has 80 divisors (see below), whose sum is σ = 36248769216. Its totient is φ = 4456273920.

The previous prime is 13700000207. The next prime is 13700000213. The reversal of 13700000208 is 80200000731.

It is a Cunningham number, because it is equal to 117047²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700000207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2806666 + ... + 2811542.

Almost surely, 2^13700000208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13700000208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18124384608).

13700000208 is an abundant number, since it is smaller than the sum of its proper divisors (22548769008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13700000208 is a wasteful number, since it uses less digits than its factorization.

13700000208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 13700000208 its reverse (80200000731), we get a palindrome (93900000939).

The spelling of 13700000208 in words is "thirteen billion, seven hundred million, two hundred eight", and thus it is an aban number.