12242431 has 8 divisors (see below), whose sum is σ = 13027824. Its totient is φ = 11464320.

The previous prime is 12242429. The next prime is 12242443. The reversal of 12242431 is 13424221.

12242431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12242431 - 2¹ = 12242429 is a prime.

It is a super-2 number, since 2×12242431² = 299754233579522, 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 = 12242399 and 12242408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242491) 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, 1881 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1628478).

Almost surely, 2^12242431 is an apocalyptic number.

12242431 is a deficient number, since it is larger than the sum of its proper divisors (785393).

12242431 is a wasteful number, since it uses less digits than its factorization.

12242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641.

The product of its digits is 384, while the sum is 19.

The square root of 12242431 is about 3498.9185472086. The cubic root of 12242431 is about 230.4743267363.

Adding to 12242431 its reverse (13424221), we get a palindrome (25666652).

It can be divided in two parts, 1224 and 2431, that added together give a triangular number (3655 = T₈₅).

The spelling of 12242431 in words is "twelve million, two hundred forty-two thousand, four hundred thirty-one".