12450424 has 16 divisors (see below), whose sum is σ = 26679600. Its totient is φ = 5335872.

The previous prime is 12450421. The next prime is 12450433. The reversal of 12450424 is 42405421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12450395 and 12450404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12450421) 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, 111109 + ... + 111220.

It is an arithmetic number, because the mean of its divisors is an integer number (1667475).

Almost surely, 2^12450424 is an apocalyptic number.

12450424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12450424 is an abundant number, since it is smaller than the sum of its proper divisors (14229176).

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

12450424 is a wasteful number, since it uses less digits than its factorization.

12450424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222342 (or 222338 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 12450424 is about 3528.5158353053. The cubic root of 12450424 is about 231.7722199560.

Adding to 12450424 its reverse (42405421), we get a palindrome (54855845).

The spelling of 12450424 in words is "twelve million, four hundred fifty thousand, four hundred twenty-four".