13888098 has 80 divisors (see below), whose sum is σ = 36636864. Its totient is φ = 3849120.

The previous prime is 13888057. The next prime is 13888109. The reversal of 13888098 is 89088831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41793 + ... + 42123.

Almost surely, 2^13888098 is an apocalyptic number.

13888098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13888098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18318432).

13888098 is an abundant number, since it is smaller than the sum of its proper divisors (22748766).

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

13888098 is a wasteful number, since it uses less digits than its factorization.

13888098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 13888098 is about 3726.6738521099. The cubic root of 13888098 is about 240.3703656613.

The spelling of 13888098 in words is "thirteen million, eight hundred eighty-eight thousand, ninety-eight".