12765142 has 8 divisors (see below), whose sum is σ = 20620656. Its totient is φ = 5891592.

The previous prime is 12765139. The next prime is 12765143. The reversal of 12765142 is 24156721.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12765142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765143) 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, 245458 + ... + 245509.

It is an arithmetic number, because the mean of its divisors is an integer number (2577582).

Almost surely, 2^12765142 is an apocalyptic number.

12765142 is a deficient number, since it is larger than the sum of its proper divisors (7855514).

12765142 is a wasteful number, since it uses less digits than its factorization.

12765142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490982.

The product of its digits is 3360, while the sum is 28.

The square root of 12765142 is about 3572.8338892258. The cubic root of 12765142 is about 233.7088814020.

The spelling of 12765142 in words is "twelve million, seven hundred sixty-five thousand, one hundred forty-two".