13551760 has 40 divisors (see below), whose sum is σ = 32035896. Its totient is φ = 5329920.

The previous prime is 13551757. The next prime is 13551779. The reversal of 13551760 is 6715531.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 13162384 = 624^2 + 3628^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3492 + ... + 6268.

Almost surely, 2^13551760 is an apocalyptic number.

13551760 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 13551760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16017948).

13551760 is an abundant number, since it is smaller than the sum of its proper divisors (18484136).

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

13551760 is a wasteful number, since it uses less digits than its factorization.

13551760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2845 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13551760 is about 3681.2715194617. The cubic root of 13551760 is about 238.4140803659.

The spelling of 13551760 in words is "thirteen million, five hundred fifty-one thousand, seven hundred sixty".