12672330 has 48 divisors (see below), whose sum is σ = 33439392. Its totient is φ = 3071200.

The previous prime is 12672299. The next prime is 12672343. The reversal of 12672330 is 3327621.

12672330 = 1590² + 1591² + ... + 1594².

It is a self number, because there is not a number n which added to its sum of digits gives 12672330.

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, 1885 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (696654).

Almost surely, 2^12672330 is an apocalyptic number.

12672330 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 12672330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16719696).

12672330 is an abundant number, since it is smaller than the sum of its proper divisors (20767062).

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

12672330 is a wasteful number, since it uses less digits than its factorization.

12672330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523 (or 3512 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 12672330 is about 3559.8216247447. The cubic root of 12672330 is about 233.1410910891.

Adding to 12672330 its reverse (3327621), we get a palindrome (15999951).

The spelling of 12672330 in words is "twelve million, six hundred seventy-two thousand, three hundred thirty".