12984185 has 4 divisors (see below), whose sum is σ = 15581028. Its totient is φ = 10387344.

The previous prime is 12984157. The next prime is 12984193. The reversal of 12984185 is 58148921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58148921 = 61 ⋅953261.

It can be written as a sum of positive squares in 2 ways, for example, as 3429904 + 9554281 = 1852^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 12984185 - 2¹⁰ = 12983161 is a prime.

It is a super-2 number, since 2×12984185² = 337178120228450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298414 + ... + 1298423.

It is an arithmetic number, because the mean of its divisors is an integer number (3895257).

Almost surely, 2^12984185 is an apocalyptic number.

It is an amenable number.

12984185 is a deficient number, since it is larger than the sum of its proper divisors (2596843).

12984185 is an equidigital number, since it uses as much as digits as its factorization.

12984185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596842.

The product of its digits is 23040, while the sum is 38.

The square root of 12984185 is about 3603.3574621455. The cubic root of 12984185 is about 235.0380804443.

The spelling of 12984185 in words is "twelve million, nine hundred eighty-four thousand, one hundred eighty-five".