12344481 has 20 divisors (see below), whose sum is σ = 18543492. Its totient is φ = 8183808.

The previous prime is 12344477. The next prime is 12344513. The reversal of 12344481 is 18444321.

12344481 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10497600 + 1846881 = 3240^2 + 1359^2 .

It is not a de Polignac number, because 12344481 - 2² = 12344477 is a prime.

It is a super-2 number, since 2×12344481² = 304772422318722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20521 + ... + 21113.

Almost surely, 2^12344481 is an apocalyptic number.

It is an amenable number.

12344481 is a deficient number, since it is larger than the sum of its proper divisors (6199011).

12344481 is an equidigital number, since it uses as much as digits as its factorization.

12344481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 853 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 12344481 is about 3513.4713603500. The cubic root of 12344481 is about 231.1129486434.

The spelling of 12344481 in words is "twelve million, three hundred forty-four thousand, four hundred eighty-one".