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12441 = 3111329

12441 has 16 divisors (see below), whose sum is σ = 20160. Its totient is φ = 6720.

The previous prime is 12437. The next prime is 12451. The reversal of 12441 is 14421.

12441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12441 - 22 = 12437 is a prime.

It is an Ulam number.

It is a plaindrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (12401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415 + ... + 443.

It is an arithmetic number, because the mean of its divisors is an integer number (1260).

212441 is an apocalyptic number.

12441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12441 is a deficient number, since it is larger than the sum of its proper divisors (7719).

12441 is a wasteful number, since it uses less digits than its factorization.

12441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56.

The product of its digits is 32, while the sum is 12.

The square root of 12441 is about 111.5392307666. The cubic root of 12441 is about 23.1713727364.

Adding to 12441 its reverse (14421), we get a palindrome (26862).

It can be divided in two parts, 1 and 2441, that added together give a palindrome (2442).

The spelling of 12441 in words is "twelve thousand, four hundred forty-one", and thus it is an iban number.

Divisors: 1 3 11 13 29 33 39 87 143 319 377 429 957 1131 4147 12441