12977344 has 42 divisors (see below), whose sum is σ = 26735532. Its totient is φ = 6249600.

The previous prime is 12977329. The next prime is 12977347. The reversal of 12977344 is 44377921.

It is a super-2 number, since 2×12977344² = 336822914588672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12977347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61399 + ... + 61609.

Almost surely, 2^12977344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12977344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13367766).

12977344 is an abundant number, since it is smaller than the sum of its proper divisors (13758188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12977344 is an equidigital number, since it uses as much as digits as its factorization.

12977344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 244 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 12977344 is about 3602.4080834908. The cubic root of 12977344 is about 234.9967948861.

The spelling of 12977344 in words is "twelve million, nine hundred seventy-seven thousand, three hundred forty-four".