12947000 has 96 divisors (see below), whose sum is σ = 33611760. Its totient is φ = 4664000.

The previous prime is 12946991. The next prime is 12947027. The reversal of 12947000 is 74921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120947 + ... + 121053.

Almost surely, 2^12947000 is an apocalyptic number.

12947000 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 12947000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16805880).

12947000 is an abundant number, since it is smaller than the sum of its proper divisors (20664760).

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

12947000 is a wasteful number, since it uses less digits than its factorization.

12947000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 12947000 is about 3598.1939914351. The cubic root of 12947000 is about 234.8134931837.

The spelling of 12947000 in words is "twelve million, nine hundred forty-seven thousand".