12409118 has 8 divisors (see below), whose sum is σ = 18646848. Its totient is φ = 6193504.

The previous prime is 12409091. The next prime is 12409127. The reversal of 12409118 is 81190421.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046 + ... + 6417.

It is an arithmetic number, because the mean of its divisors is an integer number (2330856).

Almost surely, 2^12409118 is an apocalyptic number.

12409118 is a deficient number, since it is larger than the sum of its proper divisors (6237730).

12409118 is a wasteful number, since it uses less digits than its factorization.

12409118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 12409118 is about 3522.6578034206. The cubic root of 12409118 is about 231.5156238726.

Adding to 12409118 its reverse (81190421), we get a palindrome (93599539).

The spelling of 12409118 in words is "twelve million, four hundred nine thousand, one hundred eighteen".