13331285 has 16 divisors (see below), whose sum is σ = 17926272. Its totient is φ = 9432000.

The previous prime is 13331251. The next prime is 13331287. The reversal of 13331285 is 58213331.

It is a de Polignac number, because none of the positive numbers 2^k-13331285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331287) 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, 1241 + ... + 5310.

It is an arithmetic number, because the mean of its divisors is an integer number (1120392).

Almost surely, 2^13331285 is an apocalyptic number.

It is an amenable number.

13331285 is a deficient number, since it is larger than the sum of its proper divisors (4594987).

13331285 is a wasteful number, since it uses less digits than its factorization.

13331285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604.

The product of its digits is 2160, while the sum is 26.

The square root of 13331285 is about 3651.2032263351. The cubic root of 13331285 is about 237.1140768389.

The spelling of 13331285 in words is "thirteen million, three hundred thirty-one thousand, two hundred eighty-five".