12927397 has 8 divisors (see below), whose sum is σ = 15088896. Its totient is φ = 10844592.

The previous prime is 12927377. The next prime is 12927401. The reversal of 12927397 is 79372921.

12927397 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12927397 - 2⁷ = 12927269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19318 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (1886112).

Almost surely, 2^12927397 is an apocalyptic number.

It is an amenable number.

12927397 is a deficient number, since it is larger than the sum of its proper divisors (2161499).

12927397 is an equidigital number, since it uses as much as digits as its factorization.

12927397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39347.

The product of its digits is 47628, while the sum is 40.

The square root of 12927397 is about 3595.4689541143. The cubic root of 12927397 is about 234.6949232701.

The spelling of 12927397 in words is "twelve million, nine hundred twenty-seven thousand, three hundred ninety-seven".