13498398 has 48 divisors (see below), whose sum is σ = 31870800. Its totient is φ = 4112640.

The previous prime is 13498393. The next prime is 13498399. The reversal of 13498398 is 89389431.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13498393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9238 + ... + 10598.

It is an arithmetic number, because the mean of its divisors is an integer number (663975).

Almost surely, 2^13498398 is an apocalyptic number.

13498398 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 13498398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15935400).

13498398 is an abundant number, since it is smaller than the sum of its proper divisors (18372402).

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

13498398 is a wasteful number, since it uses less digits than its factorization.

13498398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 13498398 is about 3674.0166031198. The cubic root of 13498398 is about 238.1007388431.

The spelling of 13498398 in words is "thirteen million, four hundred ninety-eight thousand, three hundred ninety-eight".