12435420 has 24 divisors (see below), whose sum is σ = 34819344. Its totient is φ = 3316096.

The previous prime is 12435419. The next prime is 12435421. The reversal of 12435420 is 2453421.

It is an interprime number because it is at equal distance from previous prime (12435419) and next prime (12435421).

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, 103569 + ... + 103688.

It is an arithmetic number, because the mean of its divisors is an integer number (1450806).

Almost surely, 2^12435420 is an apocalyptic number.

12435420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12435420 is an abundant number, since it is smaller than the sum of its proper divisors (22383924).

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

12435420 is a wasteful number, since it uses less digits than its factorization.

12435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207269 (or 207267 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 12435420 is about 3526.3890880049. The cubic root of 12435420 is about 231.6790796677.

Adding to 12435420 its reverse (2453421), we get a palindrome (14888841).

The spelling of 12435420 in words is "twelve million, four hundred thirty-five thousand, four hundred twenty".