12409105 has 8 divisors (see below), whose sum is σ = 15028200. Its totient is φ = 9835776.

The previous prime is 12409091. The next prime is 12409127. The reversal of 12409105 is 50190421.

12409105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103041 + 12306064 = 321^2 + 3508^2 .

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 12409105 - 2¹⁵ = 12376337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 11929.

It is an arithmetic number, because the mean of its divisors is an integer number (1878525).

Almost surely, 2^12409105 is an apocalyptic number.

It is an amenable number.

12409105 is a deficient number, since it is larger than the sum of its proper divisors (2619095).

12409105 is a wasteful number, since it uses less digits than its factorization.

12409105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22883.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12409105 is about 3522.6559582224. The cubic root of 12409105 is about 231.5155430261.

Adding to 12409105 its reverse (50190421), we get a palindrome (62599526).

The spelling of 12409105 in words is "twelve million, four hundred nine thousand, one hundred five".