13775285 has 16 divisors (see below), whose sum is σ = 17875200. Its totient is φ = 10155456.

The previous prime is 13775273. The next prime is 13775291. The reversal of 13775285 is 58257731.

It is a happy number.

13775285 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 13775285 - 2¹⁶ = 13709749 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^13775285 is an apocalyptic number.

It is an amenable number.

13775285 is a deficient number, since it is larger than the sum of its proper divisors (4099915).

13775285 is a wasteful number, since it uses less digits than its factorization.

13775285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980.

The product of its digits is 58800, while the sum is 38.

The square root of 13775285 is about 3711.5071062845. The cubic root of 13775285 is about 239.7177526894.

The spelling of 13775285 in words is "thirteen million, seven hundred seventy-five thousand, two hundred eighty-five".