12441731 has 4 divisors (see below), whose sum is σ = 12778032. Its totient is φ = 12105432.

The previous prime is 12441727. The next prime is 12441761. The reversal of 12441731 is 13714421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12441731 - 2² = 12441727 is a prime.

It is a super-2 number, since 2×12441731² = 309593340552722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12441697 and 12441706.

It is not an unprimeable number, because it can be changed into a prime (12441701) 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 3 ways as a sum of consecutive naturals, for example, 168095 + ... + 168168.

It is an arithmetic number, because the mean of its divisors is an integer number (3194508).

Almost surely, 2^12441731 is an apocalyptic number.

12441731 is a deficient number, since it is larger than the sum of its proper divisors (336301).

12441731 is an equidigital number, since it uses as much as digits as its factorization.

12441731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336300.

The product of its digits is 672, while the sum is 23.

The square root of 12441731 is about 3527.2837991860. The cubic root of 12441731 is about 231.7182655684.

The spelling of 12441731 in words is "twelve million, four hundred forty-one thousand, seven hundred thirty-one".