12977211 has 8 divisors (see below), whose sum is σ = 18634000. Its totient is φ = 7985952.

The previous prime is 12977207. The next prime is 12977219. The reversal of 12977211 is 11277921.

It is a happy number.

12977211 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 12977211 - 2² = 12977207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12977219) 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, 166336 + ... + 166413.

It is an arithmetic number, because the mean of its divisors is an integer number (2329250).

Almost surely, 2^12977211 is an apocalyptic number.

12977211 is a deficient number, since it is larger than the sum of its proper divisors (5656789).

12977211 is a wasteful number, since it uses less digits than its factorization.

12977211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332765.

The product of its digits is 1764, while the sum is 30.

The square root of 12977211 is about 3602.3896235693. The cubic root of 12977211 is about 234.9959920850.

The spelling of 12977211 in words is "twelve million, nine hundred seventy-seven thousand, two hundred eleven".