12071700 has 144 divisors (see below), whose sum is σ = 41247360. Its totient is φ = 3018240.

The previous prime is 12071699. The next prime is 12071713. The reversal of 12071700 is 717021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45769 + ... + 46031.

It is an arithmetic number, because the mean of its divisors is an integer number (286440).

Almost surely, 2^12071700 is an apocalyptic number.

12071700 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 12071700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20623680).

12071700 is an abundant number, since it is smaller than the sum of its proper divisors (29175660).

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

12071700 is a wasteful number, since it uses less digits than its factorization.

12071700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 12071700 is about 3474.4352059004. The cubic root of 12071700 is about 229.3979211974.

Adding to 12071700 its reverse (717021), we get a palindrome (12788721).

The spelling of 12071700 in words is "twelve million, seventy-one thousand, seven hundred".