12049240 has 64 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 3949440.

The previous prime is 12049229. The next prime is 12049241. The reversal of 12049240 is 4294021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12049241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5505 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

Almost surely, 2^12049240 is an apocalyptic number.

12049240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12049240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16174080).

12049240 is an abundant number, since it is smaller than the sum of its proper divisors (20298920).

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

12049240 is a wasteful number, since it uses less digits than its factorization.

12049240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12049240 is about 3471.2015210875. The cubic root of 12049240 is about 229.2555641150.

The spelling of 12049240 in words is "twelve million, forty-nine thousand, two hundred forty".