12241431 has 6 divisors (see below), whose sum is σ = 17682080. Its totient is φ = 8160948.

The previous prime is 12241399. The next prime is 12241457. The reversal of 12241431 is 13414221.

It is not a de Polignac number, because 12241431 - 2⁵ = 12241399 is a prime.

It is a super-2 number, since 2×12241431² = 299705265855522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241231) 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 5 ways as a sum of consecutive naturals, for example, 680071 + ... + 680088.

Almost surely, 2^12241431 is an apocalyptic number.

12241431 is a deficient number, since it is larger than the sum of its proper divisors (5440649).

12241431 is a wasteful number, since it uses less digits than its factorization.

12241431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360165 (or 1360162 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 12241431 is about 3498.7756429928. The cubic root of 12241431 is about 230.4680512778.

Adding to 12241431 its reverse (13414221), we get a palindrome (25655652).

The spelling of 12241431 in words is "twelve million, two hundred forty-one thousand, four hundred thirty-one".