13816285 has 12 divisors (see below), whose sum is σ = 19286748. Its totient is φ = 9473856.

The previous prime is 13816279. The next prime is 13816333. The reversal of 13816285 is 58261831.

It can be written as a sum of positive squares in 2 ways, for example, as 4923961 + 8892324 = 2219^2 + 2982^2 .

It is not a de Polignac number, because 13816285 - 2³ = 13816277 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 13816285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27952 + ... + 28441.

It is an arithmetic number, because the mean of its divisors is an integer number (1607229).

Almost surely, 2^13816285 is an apocalyptic number.

It is an amenable number.

13816285 is a deficient number, since it is larger than the sum of its proper divisors (5470463).

13816285 is an equidigital number, since it uses as much as digits as its factorization.

13816285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56412 (or 56405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 13816285 is about 3717.0263652549. The cubic root of 13816285 is about 239.9553447010.

The spelling of 13816285 in words is "thirteen million, eight hundred sixteen thousand, two hundred eighty-five".