12142435 has 4 divisors (see below), whose sum is σ = 14570928. Its totient is φ = 9713944.

The previous prime is 12142433. The next prime is 12142439. The reversal of 12142435 is 53424121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12142435 - 2¹ = 12142433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214239 + ... + 1214248.

It is an arithmetic number, because the mean of its divisors is an integer number (3642732).

Almost surely, 2^12142435 is an apocalyptic number.

12142435 is a deficient number, since it is larger than the sum of its proper divisors (2428493).

12142435 is an equidigital number, since it uses as much as digits as its factorization.

12142435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428492.

The product of its digits is 960, while the sum is 22.

The square root of 12142435 is about 3484.5996900648. The cubic root of 12142435 is about 229.8451068009.

Adding to 12142435 its reverse (53424121), we get a palindrome (65566556).

The spelling of 12142435 in words is "twelve million, one hundred forty-two thousand, four hundred thirty-five".