12049408 has 66 divisors (see below), whose sum is σ = 28215848. Its totient is φ = 5038080.

The previous prime is 12049399. The next prime is 12049423. The reversal of 12049408 is 80494021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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, 293868 + ... + 293908.

Almost surely, 2^12049408 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 12049408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14107924).

12049408 is an abundant number, since it is smaller than the sum of its proper divisors (16166440).

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

12049408 is an frugal number, since it uses more digits than its factorization.

12049408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12049408 is about 3471.2257201167. The cubic root of 12049408 is about 229.2566295973.

Multiplying 12049408 by its sum of digits (28), we get a square (337383424 = 18368²).

12049408 divided by its sum of digits (28) gives a square (430336 = 656²).

The spelling of 12049408 in words is "twelve million, forty-nine thousand, four hundred eight".