12311441 has 8 divisors (see below), whose sum is σ = 12513600. Its totient is φ = 12111120.

The previous prime is 12311419. The next prime is 12311443. The reversal of 12311441 is 14411321.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311443) 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, 19196 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (1564200).

Almost surely, 2^12311441 is an apocalyptic number.

It is an amenable number.

12311441 is a deficient number, since it is larger than the sum of its proper divisors (202159).

12311441 is a wasteful number, since it uses less digits than its factorization.

12311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its digits is 96, while the sum is 17.

The square root of 12311441 is about 3508.7663074078. The cubic root of 12311441 is about 230.9065731646.

Adding to 12311441 its reverse (14411321), we get a palindrome (26722762).

The spelling of 12311441 in words is "twelve million, three hundred eleven thousand, four hundred forty-one".