12897927 has 24 divisors (see below), whose sum is σ = 22230000. Its totient is φ = 7369488.

The previous prime is 12897919. The next prime is 12897961. The reversal of 12897927 is 72979821.

12897927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12897927 - 2³ = 12897919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12897427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3552 + ... + 6197.

It is an arithmetic number, because the mean of its divisors is an integer number (926250).

Almost surely, 2^12897927 is an apocalyptic number.

12897927 is a deficient number, since it is larger than the sum of its proper divisors (9332073).

12897927 is an equidigital number, since it uses as much as digits as its factorization.

12897927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9772 (or 9759 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 12897927 is about 3591.3684021554. The cubic root of 12897927 is about 234.5164464592.

It can be divided in two parts, 12897 and 927, that added together give a cube (13824 = 24³).

The spelling of 12897927 in words is "twelve million, eight hundred ninety-seven thousand, nine hundred twenty-seven".