12660350 has 48 divisors (see below), whose sum is σ = 25043040. Its totient is φ = 4752000.

The previous prime is 12660341. The next prime is 12660353. The reversal of 12660350 is 5306621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660353) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 116096 + ... + 116204.

It is an arithmetic number, because the mean of its divisors is an integer number (521730).

Almost surely, 2^12660350 is an apocalyptic number.

12660350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12660350 is a deficient number, since it is larger than the sum of its proper divisors (12382690).

12660350 is a wasteful number, since it uses less digits than its factorization.

12660350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12660350 is about 3558.1385582914. The cubic root of 12660350 is about 233.0675999769.

Adding to 12660350 its reverse (5306621), we get a palindrome (17966971).

The spelling of 12660350 in words is "twelve million, six hundred sixty thousand, three hundred fifty".