12182115 has 64 divisors (see below), whose sum is σ = 23265792. Its totient is φ = 5376000.

The previous prime is 12182089. The next prime is 12182123. The reversal of 12182115 is 51128121.

It is not a de Polignac number, because 12182115 - 2⁷ = 12181987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12182091 and 12182100.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 120565 + ... + 120665.

It is an arithmetic number, because the mean of its divisors is an integer number (363528).

Almost surely, 2^12182115 is an apocalyptic number.

12182115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12182115 is a deficient number, since it is larger than the sum of its proper divisors (11083677).

12182115 is a wasteful number, since it uses less digits than its factorization.

12182115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its digits is 160, while the sum is 21.

The square root of 12182115 is about 3490.2886700100. The cubic root of 12182115 is about 230.0952031835.

It can be divided in two parts, 1218 and 2115, that added together give a palindrome (3333).

The spelling of 12182115 in words is "twelve million, one hundred eighty-two thousand, one hundred fifteen".