13280785 has 8 divisors (see below), whose sum is σ = 18213696. Its totient is φ = 9106800.

The previous prime is 13280783. The next prime is 13280789. The reversal of 13280785 is 58708231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13280785 - 2¹ = 13280783 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13280785.

It is not an unprimeable number, because it can be changed into a prime (13280783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189691 + ... + 189760.

It is an arithmetic number, because the mean of its divisors is an integer number (2276712).

Almost surely, 2^13280785 is an apocalyptic number.

It is an amenable number.

13280785 is a deficient number, since it is larger than the sum of its proper divisors (4932911).

13280785 is an equidigital number, since it uses as much as digits as its factorization.

13280785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379463.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 13280785 is about 3644.2811362462. The cubic root of 13280785 is about 236.8142954698.

The spelling of 13280785 in words is "thirteen million, two hundred eighty thousand, seven hundred eighty-five".