12414440 has 16 divisors (see below), whose sum is σ = 27932580. Its totient is φ = 4965760.

The previous prime is 12414433. The next prime is 12414443. The reversal of 12414440 is 4441421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 813604 = 3406^2 + 902^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12414443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155141 + ... + 155220.

Almost surely, 2^12414440 is an apocalyptic number.

12414440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12414440 is an abundant number, since it is smaller than the sum of its proper divisors (15518140).

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

12414440 is a wasteful number, since it uses less digits than its factorization.

12414440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310372 (or 310368 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 12414440 is about 3523.4131179866. The cubic root of 12414440 is about 231.5487164757.

Adding to 12414440 its reverse (4441421), we get a palindrome (16855861).

The spelling of 12414440 in words is "twelve million, four hundred fourteen thousand, four hundred forty".