12892127 has 4 divisors (see below), whose sum is σ = 13570680. Its totient is φ = 12213576.

The previous prime is 12892093. The next prime is 12892129. The reversal of 12892127 is 72129821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72129821 = 113 ⋅638317.

It is a cyclic number.

It is not a de Polignac number, because 12892127 - 2⁸ = 12891871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12892093 and 12892102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12892129) 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, 339248 + ... + 339285.

It is an arithmetic number, because the mean of its divisors is an integer number (3392670).

Almost surely, 2^12892127 is an apocalyptic number.

12892127 is a deficient number, since it is larger than the sum of its proper divisors (678553).

12892127 is an equidigital number, since it uses as much as digits as its factorization.

12892127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678552.

The product of its digits is 4032, while the sum is 32.

The square root of 12892127 is about 3590.5608197049. The cubic root of 12892127 is about 234.4812883720.

The spelling of 12892127 in words is "twelve million, eight hundred ninety-two thousand, one hundred twenty-seven".