12254240 has 96 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 4451328.

The previous prime is 12254227. The next prime is 12254251. The reversal of 12254240 is 4245221.

It is a happy number.

12254240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88091 + ... + 88229.

It is an arithmetic number, because the mean of its divisors is an integer number (330750).

Almost surely, 2^12254240 is an apocalyptic number.

12254240 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 12254240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15876000).

12254240 is an abundant number, since it is smaller than the sum of its proper divisors (19497760).

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

12254240 is a wasteful number, since it uses less digits than its factorization.

12254240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12254240 is about 3500.6056618820. The cubic root of 12254240 is about 230.5484077933.

Adding to 12254240 its reverse (4245221), we get a palindrome (16499461).

The spelling of 12254240 in words is "twelve million, two hundred fifty-four thousand, two hundred forty".