12072330 has 48 divisors (see below), whose sum is σ = 32408064. Its totient is φ = 3114720.

The previous prime is 12072317. The next prime is 12072337. The reversal of 12072330 is 3327021.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12072337) 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 23 ways as a sum of consecutive naturals, for example, 627 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (675168).

Almost surely, 2^12072330 is an apocalyptic number.

12072330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12072330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16204032).

12072330 is an abundant number, since it is smaller than the sum of its proper divisors (20335734).

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

12072330 is a wasteful number, since it uses less digits than its factorization.

12072330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12072330 is about 3474.5258669349. The cubic root of 12072330 is about 229.4019117476.

Adding to 12072330 its reverse (3327021), we get a palindrome (15399351).

The spelling of 12072330 in words is "twelve million, seventy-two thousand, three hundred thirty".