12742235 has 8 divisors (see below), whose sum is σ = 16680816. Its totient is φ = 9267040.

The previous prime is 12742193. The next prime is 12742237. The reversal of 12742235 is 53224721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12742235 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12742237) 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 7 ways as a sum of consecutive naturals, for example, 115784 + ... + 115893.

It is an arithmetic number, because the mean of its divisors is an integer number (2085102).

Almost surely, 2^12742235 is an apocalyptic number.

12742235 is a deficient number, since it is larger than the sum of its proper divisors (3938581).

12742235 is a wasteful number, since it uses less digits than its factorization.

12742235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231693.

The product of its digits is 3360, while the sum is 26.

The square root of 12742235 is about 3569.6267311863. The cubic root of 12742235 is about 233.5690011233.

Adding to 12742235 its reverse (53224721), we get a palindrome (65966956).

It can be divided in two parts, 12 and 742235, that added together give a palindrome (742247).

The spelling of 12742235 in words is "twelve million, seven hundred forty-two thousand, two hundred thirty-five".