12409338 has 16 divisors (see below), whose sum is σ = 25189920. Its totient is φ = 4074576.

The previous prime is 12409333. The next prime is 12409339. The reversal of 12409338 is 83390421.

It is not an unprimeable number, because it can be changed into a prime (12409333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15033 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (1574370).

Almost surely, 2^12409338 is an apocalyptic number.

12409338 is an abundant number, since it is smaller than the sum of its proper divisors (12780582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12409338 is a wasteful number, since it uses less digits than its factorization.

12409338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30941.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12409338 is about 3522.6890297044. The cubic root of 12409338 is about 231.5169920369.

Adding to 12409338 its reverse (83390421), we get a palindrome (95799759).

The spelling of 12409338 in words is "twelve million, four hundred nine thousand, three hundred thirty-eight".