13170285 has 12 divisors (see below), whose sum is σ = 22828572. Its totient is φ = 7024128.

The previous prime is 13170277. The next prime is 13170337. The reversal of 13170285 is 58207131.

It can be written as a sum of positive squares in 2 ways, for example, as 1432809 + 11737476 = 1197^2 + 3426^2 .

It is not a de Polignac number, because 13170285 - 2³ = 13170277 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 11 ways as a sum of consecutive naturals, for example, 146292 + ... + 146381.

It is an arithmetic number, because the mean of its divisors is an integer number (1902381).

Almost surely, 2^13170285 is an apocalyptic number.

13170285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13170285 is a deficient number, since it is larger than the sum of its proper divisors (9658287).

13170285 is a wasteful number, since it uses less digits than its factorization.

13170285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292684 (or 292681 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13170285 is about 3629.0887285929. The cubic root of 13170285 is about 236.1556774724.

The spelling of 13170285 in words is "thirteen million, one hundred seventy thousand, two hundred eighty-five".