12193285 has 16 divisors (see below), whose sum is σ = 15911280. Its totient is φ = 8916480.

The previous prime is 12193283. The next prime is 12193297. The reversal of 12193285 is 58239121.

It can be written as a sum of positive squares in 8 ways, for example, as 20164 + 12173121 = 142^2 + 3489^2 .

It is not a de Polignac number, because 12193285 - 2¹ = 12193283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12193283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6225 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (994455).

Almost surely, 2^12193285 is an apocalyptic number.

It is an amenable number.

12193285 is a deficient number, since it is larger than the sum of its proper divisors (3717995).

12193285 is a wasteful number, since it uses less digits than its factorization.

12193285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its digits is 4320, while the sum is 31.

The square root of 12193285 is about 3491.8884575542. Note that the first 3 decimals coincide. The cubic root of 12193285 is about 230.1655078412.

The spelling of 12193285 in words is "twelve million, one hundred ninety-three thousand, two hundred eighty-five".