12663700 has 72 divisors (see below), whose sum is σ = 31942400. Its totient is φ = 4268160.

The previous prime is 12663697. The next prime is 12663733. The reversal of 12663700 is 736621.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 55186 + ... + 55414.

Almost surely, 2^12663700 is an apocalyptic number.

12663700 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 12663700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15971200).

12663700 is an abundant number, since it is smaller than the sum of its proper divisors (19278700).

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

12663700 is a wasteful number, since it uses less digits than its factorization.

12663700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 12663700 is about 3558.6092789178. The cubic root of 12663700 is about 233.0881551644.

The spelling of 12663700 in words is "twelve million, six hundred sixty-three thousand, seven hundred".