12247800 has 96 divisors (see below), whose sum is σ = 38502000. Its totient is φ = 3220480.

The previous prime is 12247787. The next prime is 12247811. The reversal of 12247800 is 874221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82126 + ... + 82274.

Almost surely, 2^12247800 is an apocalyptic number.

12247800 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 12247800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19251000).

12247800 is an abundant number, since it is smaller than the sum of its proper divisors (26254200).

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

12247800 is a wasteful number, since it uses less digits than its factorization.

12247800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 12247800 is about 3499.6857001737. The cubic root of 12247800 is about 230.5080138314.

The spelling of 12247800 in words is "twelve million, two hundred forty-seven thousand, eight hundred".