13355280 has 140 divisors (see below), whose sum is σ = 46758540. Its totient is φ = 3545856.

The previous prime is 13355267. The next prime is 13355291. The reversal of 13355280 is 8255331.

13355280 is a `hidden beast` number, since 1 + 33 + 552 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9144576 + 4210704 = 3024^2 + 2052^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 58206 + ... + 58434.

Almost surely, 2^13355280 is an apocalyptic number.

13355280 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 13355280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23379270).

13355280 is an abundant number, since it is smaller than the sum of its proper divisors (33403260).

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

13355280 is an equidigital number, since it uses as much as digits as its factorization.

13355280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 13355280 is about 3654.4876521887. The cubic root of 13355280 is about 237.2562522341.

The spelling of 13355280 in words is "thirteen million, three hundred fifty-five thousand, two hundred eighty".