12408396 has 96 divisors (see below), whose sum is σ = 38911488. Its totient is φ = 2972160.

The previous prime is 12408379. The next prime is 12408397. The reversal of 12408396 is 69380421.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (12408397) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11496 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (405328).

Almost surely, 2^12408396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12408396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19455744).

12408396 is an abundant number, since it is smaller than the sum of its proper divisors (26503092).

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

12408396 is a wasteful number, since it uses less digits than its factorization.

12408396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12408396 is about 3522.5553224896. Note that the first 3 decimals coincide. The cubic root of 12408396 is about 231.5111336926.

The spelling of 12408396 in words is "twelve million, four hundred eight thousand, three hundred ninety-six".