12404165 has 8 divisors (see below), whose sum is σ = 14905080. Its totient is φ = 9909952.

The previous prime is 12404159. The next prime is 12404191. The reversal of 12404165 is 56140421.

It can be written as a sum of positive squares in 4 ways, for example, as 279841 + 12124324 = 529^2 + 3482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12404165 - 2⁴ = 12404149 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12404165.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4427 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (1863135).

Almost surely, 2^12404165 is an apocalyptic number.

It is an amenable number.

12404165 is a deficient number, since it is larger than the sum of its proper divisors (2500915).

12404165 is a wasteful number, since it uses less digits than its factorization.

12404165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12404165 is about 3521.9547129400. The cubic root of 12404165 is about 231.4848172383.

Adding to 12404165 its reverse (56140421), we get a palindrome (68544586).

It can be divided in two parts, 1240416 and 5, that added together give a palindrome (1240421).

The spelling of 12404165 in words is "twelve million, four hundred four thousand, one hundred sixty-five".