13685298 has 32 divisors (see below), whose sum is σ = 30169152. Its totient is φ = 4104000.

The previous prime is 13685297. The next prime is 13685327. The reversal of 13685298 is 89258631.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13685297) 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, 5640 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (942786).

Almost surely, 2^13685298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13685298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15084576).

13685298 is an abundant number, since it is smaller than the sum of its proper divisors (16483854).

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

13685298 is a wasteful number, since it uses less digits than its factorization.

13685298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its digits is 103680, while the sum is 42.

The square root of 13685298 is about 3699.3645400258. The cubic root of 13685298 is about 239.1946268037.

It can be divided in two parts, 1368 and 5298, that added together give a palindrome (6666).

The spelling of 13685298 in words is "thirteen million, six hundred eighty-five thousand, two hundred ninety-eight".