13898123286 has 16 divisors (see below), whose sum is σ = 27802340544. Its totient is φ = 4631692104.

The previous prime is 13898123279. The next prime is 13898123311. The reversal of 13898123286 is 68232189831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223996 + ... + 279231.

It is an arithmetic number, because the mean of its divisors is an integer number (1737646284).

Almost surely, 2^13898123286 is an apocalyptic number.

13898123286 is an abundant number, since it is smaller than the sum of its proper divisors (13904217258).

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

13898123286 is a wasteful number, since it uses less digits than its factorization.

13898123286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507835.

The product of its digits is 995328, while the sum is 51.

The spelling of 13898123286 in words is "thirteen billion, eight hundred ninety-eight million, one hundred twenty-three thousand, two hundred eighty-six".