12942127 has 4 divisors (see below), whose sum is σ = 14118696. Its totient is φ = 11765560.

The previous prime is 12942121. The next prime is 12942179. The reversal of 12942127 is 72124921.

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 12942127 - 2¹¹ = 12940079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12942095 and 12942104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588268 + ... + 588289.

It is an arithmetic number, because the mean of its divisors is an integer number (3529674).

Almost surely, 2^12942127 is an apocalyptic number.

12942127 is a deficient number, since it is larger than the sum of its proper divisors (1176569).

12942127 is a wasteful number, since it uses less digits than its factorization.

12942127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176568.

The product of its digits is 2016, while the sum is 28.

The square root of 12942127 is about 3597.5167824487. The cubic root of 12942127 is about 234.7840297368.

The spelling of 12942127 in words is "twelve million, nine hundred forty-two thousand, one hundred twenty-seven".