12185085 has 16 divisors (see below), whose sum is σ = 21268800. Its totient is φ = 5907840.

The previous prime is 12185059. The next prime is 12185113. The reversal of 12185085 is 58058121.

It is not a de Polignac number, because 12185085 - 2¹⁰ = 12184061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36760 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (1329300).

Almost surely, 2^12185085 is an apocalyptic number.

12185085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12185085 is a deficient number, since it is larger than the sum of its proper divisors (9083715).

12185085 is a wasteful number, since it uses less digits than its factorization.

12185085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73868.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 12185085 is about 3490.7141103218. The cubic root of 12185085 is about 230.1139007366.

The spelling of 12185085 in words is "twelve million, one hundred eighty-five thousand, eighty-five".