12735142 has 32 divisors (see below), whose sum is σ = 23464512. Its totient is φ = 5059584.

The previous prime is 12735137. The next prime is 12735143. The reversal of 12735142 is 24153721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12735143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17008 + ... + 17740.

It is an arithmetic number, because the mean of its divisors is an integer number (733266).

Almost surely, 2^12735142 is an apocalyptic number.

12735142 is a deficient number, since it is larger than the sum of its proper divisors (10729370).

12735142 is a wasteful number, since it uses less digits than its factorization.

12735142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 1680, while the sum is 25.

The square root of 12735142 is about 3568.6330716396. The cubic root of 12735142 is about 233.5256541379.

Adding to 12735142 its reverse (24153721), we get a palindrome (36888863).

The spelling of 12735142 in words is "twelve million, seven hundred thirty-five thousand, one hundred forty-two".