12435422 has 4 divisors (see below), whose sum is σ = 18653136. Its totient is φ = 6217710.

The previous prime is 12435421. The next prime is 12435431. The reversal of 12435422 is 22453421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22453421 = 19 ⋅1181759.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108854 + ... + 3108857.

It is an arithmetic number, because the mean of its divisors is an integer number (4663284).

Almost surely, 2^12435422 is an apocalyptic number.

12435422 is a deficient number, since it is larger than the sum of its proper divisors (6217714).

12435422 is an equidigital number, since it uses as much as digits as its factorization.

12435422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217713.

The product of its digits is 1920, while the sum is 23.

The square root of 12435422 is about 3526.3893715811. The cubic root of 12435422 is about 231.6790920881.

Adding to 12435422 its reverse (22453421), we get a palindrome (34888843).

The spelling of 12435422 in words is "twelve million, four hundred thirty-five thousand, four hundred twenty-two".