12844977 has 8 divisors (see below), whose sum is σ = 17159616. Its totient is φ = 8546832.

The previous prime is 12844961. The next prime is 12844981. The reversal of 12844977 is 77944821.

It is a happy number.

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

It is not a de Polignac number, because 12844977 - 2⁴ = 12844961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12844987) 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, 2173 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (2144952).

Almost surely, 2^12844977 is an apocalyptic number.

It is an amenable number.

12844977 is a deficient number, since it is larger than the sum of its proper divisors (4314639).

12844977 is an equidigital number, since it uses as much as digits as its factorization.

12844977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247.

The product of its digits is 112896, while the sum is 42.

The square root of 12844977 is about 3583.9889787777. The cubic root of 12844977 is about 234.1950853219.

The spelling of 12844977 in words is "twelve million, eight hundred forty-four thousand, nine hundred seventy-seven".