12890927 has 16 divisors (see below), whose sum is σ = 15248640. Its totient is φ = 10668672.

The previous prime is 12890909. The next prime is 12890939. The reversal of 12890927 is 72909821.

It is not a de Polignac number, because 12890927 - 2¹⁸ = 12628783 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12890027) 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 15 ways as a sum of consecutive naturals, for example, 33824 + ... + 34202.

It is an arithmetic number, because the mean of its divisors is an integer number (953040).

Almost surely, 2^12890927 is an apocalyptic number.

12890927 is a deficient number, since it is larger than the sum of its proper divisors (2357713).

12890927 is a wasteful number, since it uses less digits than its factorization.

12890927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12890927 is about 3590.3937110016. The cubic root of 12890927 is about 234.4740129685.

The spelling of 12890927 in words is "twelve million, eight hundred ninety thousand, nine hundred twenty-seven".