12045185 has 8 divisors (see below), whose sum is σ = 14807016. Its totient is φ = 9400960.

The previous prime is 12045181. The next prime is 12045217. The reversal of 12045185 is 58154021.

It can be written as a sum of positive squares in 4 ways, for example, as 1227664 + 10817521 = 1108^2 + 3289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12045185 - 2² = 12045181 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045181) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29174 + ... + 29583.

It is an arithmetic number, because the mean of its divisors is an integer number (1850877).

Almost surely, 2^12045185 is an apocalyptic number.

It is an amenable number.

12045185 is a deficient number, since it is larger than the sum of its proper divisors (2761831).

12045185 is an equidigital number, since it uses as much as digits as its factorization.

12045185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58803.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 12045185 is about 3470.6173802365. The cubic root of 12045185 is about 229.2298436652.

The spelling of 12045185 in words is "twelve million, forty-five thousand, one hundred eighty-five".