12404115 has 24 divisors (see below), whose sum is σ = 21587280. Its totient is φ = 6588864.

The previous prime is 12404089. The next prime is 12404143. The reversal of 12404115 is 51140421.

It is not a de Polignac number, because 12404115 - 2¹⁵ = 12371347 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 16416 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (899470).

Almost surely, 2^12404115 is an apocalyptic number.

12404115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12404115 is a deficient number, since it is larger than the sum of its proper divisors (9183165).

12404115 is a wasteful number, since it uses less digits than its factorization.

12404115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 12404115 is about 3521.9476146019. The cubic root of 12404115 is about 231.4845062068.

Adding to 12404115 its reverse (51140421), we get a palindrome (63544536).

The spelling of 12404115 in words is "twelve million, four hundred four thousand, one hundred fifteen".