13260985 has 16 divisors (see below), whose sum is σ = 16733376. Its totient is φ = 10075968.

The previous prime is 13260983. The next prime is 13261009. The reversal of 13260985 is 58906231.

13260985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13260985 - 2¹ = 13260983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13260985.

It is not an unprimeable number, because it can be changed into a prime (13260983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7122 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (1045836).

Almost surely, 2^13260985 is an apocalyptic number.

It is an amenable number.

13260985 is a deficient number, since it is larger than the sum of its proper divisors (3472391).

13260985 is a wasteful number, since it uses less digits than its factorization.

13260985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 13260985 is about 3641.5635378227. The cubic root of 13260985 is about 236.6965500408.

The spelling of 13260985 in words is "thirteen million, two hundred sixty thousand, nine hundred eighty-five".