12024431 has 4 divisors (see below), whose sum is σ = 12076272. Its totient is φ = 11972592.

The previous prime is 12024413. The next prime is 12024451. The reversal of 12024431 is 13442021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13442021 = 61 ⋅220361.

It is a cyclic number.

It is not a de Polignac number, because 12024431 - 2²² = 7830127 is a prime.

It is a super-2 number, since 2×12024431² = 289173881747522, 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 (12024451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25571 + ... + 26036.

It is an arithmetic number, because the mean of its divisors is an integer number (3019068).

Almost surely, 2^12024431 is an apocalyptic number.

12024431 is a deficient number, since it is larger than the sum of its proper divisors (51841).

12024431 is an equidigital number, since it uses as much as digits as its factorization.

12024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51840.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12024431 is about 3467.6261332502. The cubic root of 12024431 is about 229.0981127103.

Adding to 12024431 its reverse (13442021), we get a palindrome (25466452).

The spelling of 12024431 in words is "twelve million, twenty-four thousand, four hundred thirty-one".