12966000 has 80 divisors (see below), whose sum is σ = 41821728. Its totient is φ = 3456000.

The previous prime is 12965993. The next prime is 12966007. The reversal of 12966000 is 66921.

It is an interprime number because it is at equal distance from previous prime (12965993) and next prime (12966007).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12966007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4920 + ... + 7080.

Almost surely, 2^12966000 is an apocalyptic number.

12966000 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 12966000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20910864).

12966000 is an abundant number, since it is smaller than the sum of its proper divisors (28855728).

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

12966000 is a wasteful number, since it uses less digits than its factorization.

12966000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 12966000 is about 3600.8332369050. The cubic root of 12966000 is about 234.9283016521.

The spelling of 12966000 in words is "twelve million, nine hundred sixty-six thousand".