13270285 has 16 divisors (see below), whose sum is σ = 19270656. Its totient is φ = 8563968.

The previous prime is 13270277. The next prime is 13270291. The reversal of 13270285 is 58207231.

It is not a de Polignac number, because 13270285 - 2³ = 13270277 is a prime.

It is a super-2 number, since 2×13270285² = 352200927962450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10557 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (1204416).

Almost surely, 2^13270285 is an apocalyptic number.

It is an amenable number.

13270285 is a deficient number, since it is larger than the sum of its proper divisors (6000371).

13270285 is a wasteful number, since it uses less digits than its factorization.

13270285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13270285 is about 3642.8402380560. The cubic root of 13270285 is about 236.7518692982.

The spelling of 13270285 in words is "thirteen million, two hundred seventy thousand, two hundred eighty-five".