12256700 has 54 divisors (see below), whose sum is σ = 28138824. Its totient is φ = 4625280.

The previous prime is 12256697. The next prime is 12256733. The reversal of 12256700 is 765221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 167864 + ... + 167936.

Almost surely, 2^12256700 is an apocalyptic number.

12256700 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 12256700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14069412).

12256700 is an abundant number, since it is smaller than the sum of its proper divisors (15882124).

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

12256700 is a wasteful number, since it uses less digits than its factorization.

12256700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12256700 is about 3500.9570120183. The cubic root of 12256700 is about 230.5638340495.

Multiplying 12256700 by its sum of digits (23), we get a square (281904100 = 16790²).

12256700 divided by its sum of digits (23) gives a square (532900 = 730²).

The spelling of 12256700 in words is "twelve million, two hundred fifty-six thousand, seven hundred".