12409348 has 18 divisors (see below), whose sum is σ = 25262286. Its totient is φ = 5318208.

The previous prime is 12409339. The next prime is 12409349. The reversal of 12409348 is 84390421.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 451584 = 3458^2 + 672^2 .

It is not an unprimeable number, because it can be changed into a prime (12409349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31461 + ... + 31852.

Almost surely, 2^12409348 is an apocalyptic number.

It is an amenable number.

12409348 is an abundant number, since it is smaller than the sum of its proper divisors (12852938).

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

12409348 is a wasteful number, since it uses less digits than its factorization.

12409348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63331 (or 63322 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12409348 is about 3522.6904490744. The cubic root of 12409348 is about 231.5170542258.

Adding to 12409348 its reverse (84390421), we get a palindrome (96799769).

The spelling of 12409348 in words is "twelve million, four hundred nine thousand, three hundred forty-eight".