13531260 has 48 divisors (see below), whose sum is σ = 38253600. Its totient is φ = 3573504.

The previous prime is 13531229. The next prime is 13531277. The reversal of 13531260 is 6213531.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5506 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (796950).

Almost surely, 2^13531260 is an apocalyptic number.

13531260 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 13531260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19126800).

13531260 is an abundant number, since it is smaller than the sum of its proper divisors (24722340).

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

13531260 is a wasteful number, since it uses less digits than its factorization.

13531260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2188 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13531260 is about 3678.4861016456. The cubic root of 13531260 is about 238.2938018883.

Adding to 13531260 its reverse (6213531), we get a palindrome (19744791).

The spelling of 13531260 in words is "thirteen million, five hundred thirty-one thousand, two hundred sixty".