12435424 has 48 divisors (see below), whose sum is σ = 26142480. Its totient is φ = 5806080.

The previous prime is 12435421. The next prime is 12435431. The reversal of 12435424 is 42453421.

It is a happy number.

It is a super-3 number, since 3×12435424³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12435421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68614 + ... + 68794.

It is an arithmetic number, because the mean of its divisors is an integer number (544635).

Almost surely, 2^12435424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12435424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13071240).

12435424 is an abundant number, since it is smaller than the sum of its proper divisors (13707056).

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

12435424 is a wasteful number, since it uses less digits than its factorization.

12435424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 315 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 12435424 is about 3526.3896551572. The cubic root of 12435424 is about 231.6791045085.

Adding to 12435424 its reverse (42453421), we get a palindrome (54888845).

The spelling of 12435424 in words is "twelve million, four hundred thirty-five thousand, four hundred twenty-four".