12041431 has 4 divisors (see below), whose sum is σ = 12128200. Its totient is φ = 11954664.

The previous prime is 12041411. The next prime is 12041473. The reversal of 12041431 is 13414021.

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 12041431 - 2¹⁵ = 12008663 is a prime.

It is a super-2 number, since 2×12041431² = 289992121055522, 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 (12041401) 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, 43176 + ... + 43453.

It is an arithmetic number, because the mean of its divisors is an integer number (3032050).

Almost surely, 2^12041431 is an apocalyptic number.

12041431 is a deficient number, since it is larger than the sum of its proper divisors (86769).

12041431 is an equidigital number, since it uses as much as digits as its factorization.

12041431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86768.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 12041431 is about 3470.0765121248. The cubic root of 12041431 is about 229.2060272815.

Adding to 12041431 its reverse (13414021), we get a palindrome (25455452).

The spelling of 12041431 in words is "twelve million, forty-one thousand, four hundred thirty-one".