13089680 has 20 divisors (see below), whose sum is σ = 30433692. Its totient is φ = 5235840.

The previous prime is 13089667. The next prime is 13089709. The reversal of 13089680 is 8698031.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 10863616 = 1492^2 + 3296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 13089680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81731 + ... + 81890.

Almost surely, 2^13089680 is an apocalyptic number.

13089680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13089680 is an abundant number, since it is smaller than the sum of its proper divisors (17344012).

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

13089680 is a wasteful number, since it uses less digits than its factorization.

13089680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163634 (or 163628 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 13089680 is about 3617.9662795554. The cubic root of 13089680 is about 235.6729166107.

The spelling of 13089680 in words is "thirteen million, eighty-nine thousand, six hundred eighty".