12977700 has 72 divisors (see below), whose sum is σ = 37914240. Its totient is φ = 3427200.

The previous prime is 12977651. The next prime is 12977707. The reversal of 12977700 is 777921.

It is not an unprimeable number, because it can be changed into a prime (12977707) 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, 54181 + ... + 54419.

Almost surely, 2^12977700 is an apocalyptic number.

12977700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12977700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18957120).

12977700 is an abundant number, since it is smaller than the sum of its proper divisors (24936540).

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

12977700 is a wasteful number, since it uses less digits than its factorization.

12977700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 33.

The square root of 12977700 is about 3602.4574945445. The cubic root of 12977700 is about 234.9989437104.

The spelling of 12977700 in words is "twelve million, nine hundred seventy-seven thousand, seven hundred".