13986213888 has 416 divisors, whose sum is σ = 42801841152. Its totient is φ = 4037017600.

The previous prime is 13986213869. The next prime is 13986213889. The reversal of 13986213888 is 88831268931.

It is a happy number.

It is a super-2 number, since 2×13986213888² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13986213889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196988893 + ... + 196988963.

Almost surely, 2^13986213888 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 13986213888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21400920576).

13986213888 is an abundant number, since it is smaller than the sum of its proper divisors (28815627264).

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

13986213888 is a wasteful number, since it uses less digits than its factorization.

13986213888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 157 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The spelling of 13986213888 in words is "thirteen billion, nine hundred eighty-six million, two hundred thirteen thousand, eight hundred eighty-eight".