12182985 has 48 divisors (see below), whose sum is σ = 22464000. Its totient is φ = 6095232.

The previous prime is 12182977. The next prime is 12182993. The reversal of 12182985 is 58928121.

It is an interprime number because it is at equal distance from previous prime (12182977) and next prime (12182993).

It is not a de Polignac number, because 12182985 - 2³ = 12182977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81691 + ... + 81839.

It is an arithmetic number, because the mean of its divisors is an integer number (468000).

Almost surely, 2^12182985 is an apocalyptic number.

12182985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12182985 is a deficient number, since it is larger than the sum of its proper divisors (10281015).

12182985 is a wasteful number, since it uses less digits than its factorization.

12182985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 259 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 12182985 is about 3490.4132993100. The cubic root of 12182985 is about 230.1006805592.

The spelling of 12182985 in words is "twelve million, one hundred eighty-two thousand, nine hundred eighty-five".