12927142 has 4 divisors (see below), whose sum is σ = 19390716. Its totient is φ = 6463570.

The previous prime is 12927137. The next prime is 12927149. The reversal of 12927142 is 24172921.

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

It is a super-2 number, since 2×12927142² = 334222000576328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12927142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231784 + ... + 3231787.

It is an arithmetic number, because the mean of its divisors is an integer number (4847679).

Almost surely, 2^12927142 is an apocalyptic number.

12927142 is a deficient number, since it is larger than the sum of its proper divisors (6463574).

12927142 is an equidigital number, since it uses as much as digits as its factorization.

12927142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463573.

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

The square root of 12927142 is about 3595.4334926404. The cubic root of 12927142 is about 234.6933800979.

The spelling of 12927142 in words is "twelve million, nine hundred twenty-seven thousand, one hundred forty-two".