13398280 has 64 divisors (see below), whose sum is σ = 34848000. Its totient is φ = 4541184.

The previous prime is 13398271. The next prime is 13398283. The reversal of 13398280 is 8289331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13398283) 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, 30301 + ... + 30739.

It is an arithmetic number, because the mean of its divisors is an integer number (544500).

Almost surely, 2^13398280 is an apocalyptic number.

13398280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13398280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17424000).

13398280 is an abundant number, since it is smaller than the sum of its proper divisors (21449720).

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

13398280 is a wasteful number, since it uses less digits than its factorization.

13398280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 13398280 is about 3660.3661019084. The cubic root of 13398280 is about 237.5106107909.

The spelling of 13398280 in words is "thirteen million, three hundred ninety-eight thousand, two hundred eighty".