12341440 has 28 divisors (see below), whose sum is σ = 29388816. Its totient is φ = 4936448.

The previous prime is 12341429. The next prime is 12341447. The reversal of 12341440 is 4414321.

It is a super-2 number, since 2×12341440² = 304622282547200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12341447) 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, 18964 + ... + 19603.

Almost surely, 2^12341440 is an apocalyptic number.

12341440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12341440 is an abundant number, since it is smaller than the sum of its proper divisors (17047376).

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

12341440 is an equidigital number, since it uses as much as digits as its factorization.

12341440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38584 (or 38574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 12341440 is about 3513.0385708102. The cubic root of 12341440 is about 231.0939692524.

Adding to 12341440 its reverse (4414321), we get a palindrome (16755761).

The spelling of 12341440 in words is "twelve million, three hundred forty-one thousand, four hundred forty".