13520898 has 64 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 4233600.

The previous prime is 13520893. The next prime is 13520911. The reversal of 13520898 is 89802531.

It is not an unprimeable number, because it can be changed into a prime (13520893) 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, 68536 + ... + 68732.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^13520898 is an apocalyptic number.

13520898 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 13520898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15966720).

13520898 is an abundant number, since it is smaller than the sum of its proper divisors (18412542).

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

13520898 is a wasteful number, since it uses less digits than its factorization.

13520898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 13520898 is about 3677.0773720443. The cubic root of 13520898 is about 238.2329592929.

The spelling of 13520898 in words is "thirteen million, five hundred twenty thousand, eight hundred ninety-eight".