12661341 has 32 divisors (see below), whose sum is σ = 21427200. Its totient is φ = 6458880.

The previous prime is 12661321. The next prime is 12661357. The reversal of 12661341 is 14316621.

It is not a de Polignac number, because 12661341 - 2⁷ = 12661213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12661301) 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 31 ways as a sum of consecutive naturals, for example, 13165 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (669600).

Almost surely, 2^12661341 is an apocalyptic number.

12661341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12661341 is a deficient number, since it is larger than the sum of its proper divisors (8765859).

12661341 is a wasteful number, since it uses less digits than its factorization.

12661341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009.

The product of its digits is 864, while the sum is 24.

The square root of 12661341 is about 3558.2778137745. The cubic root of 12661341 is about 233.0736810085.

Adding to 12661341 its reverse (14316621), we get a palindrome (26977962).

The spelling of 12661341 in words is "twelve million, six hundred sixty-one thousand, three hundred forty-one".