12660361 has 8 divisors (see below), whose sum is σ = 14805824. Its totient is φ = 10599120.

The previous prime is 12660353. The next prime is 12660377. The reversal of 12660361 is 16306621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12660361 - 2³ = 12660353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20730 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (1850728).

Almost surely, 2^12660361 is an apocalyptic number.

It is an amenable number.

12660361 is a deficient number, since it is larger than the sum of its proper divisors (2145463).

12660361 is an equidigital number, since it uses as much as digits as its factorization.

12660361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42111.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12660361 is about 3558.1401040431. The cubic root of 12660361 is about 233.0676674774.

Adding to 12660361 its reverse (16306621), we get a palindrome (28966982).

The spelling of 12660361 in words is "twelve million, six hundred sixty thousand, three hundred sixty-one".