12153285 has 12 divisors (see below), whose sum is σ = 21065772. Its totient is φ = 6481728.

The previous prime is 12153247. The next prime is 12153299. The reversal of 12153285 is 58235121.

It is a happy number.

12153285 is a `hidden beast` number, since 121 + 532 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4485924 + 7667361 = 2118^2 + 2769^2 .

It is not a de Polignac number, because 12153285 - 2⁶ = 12153221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 134992 + ... + 135081.

It is an arithmetic number, because the mean of its divisors is an integer number (1755481).

Almost surely, 2^12153285 is an apocalyptic number.

12153285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12153285 is a deficient number, since it is larger than the sum of its proper divisors (8912487).

12153285 is a wasteful number, since it uses less digits than its factorization.

12153285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270084 (or 270081 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12153285 is about 3486.1561927143. The cubic root of 12153285 is about 229.9135465876.

The spelling of 12153285 in words is "twelve million, one hundred fifty-three thousand, two hundred eighty-five".