12044431 has 4 divisors (see below), whose sum is σ = 13765072. Its totient is φ = 10323792.

The previous prime is 12044413. The next prime is 12044441. The reversal of 12044431 is 13444021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13444021 = 47 ⋅286043.

It is a cyclic number.

It is not a de Polignac number, because 12044431 - 2⁹ = 12043919 is a prime.

It is a super-2 number, since 2×12044431² = 290136636227522, 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 = 12044399 and 12044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12044401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860310 + ... + 860323.

It is an arithmetic number, because the mean of its divisors is an integer number (3441268).

Almost surely, 2^12044431 is an apocalyptic number.

12044431 is a deficient number, since it is larger than the sum of its proper divisors (1720641).

12044431 is an equidigital number, since it uses as much as digits as its factorization.

12044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720640.

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

The square root of 12044431 is about 3470.5087523301. The cubic root of 12044431 is about 229.2250604840.

Adding to 12044431 its reverse (13444021), we get a palindrome (25488452).

It can be divided in two parts, 120 and 44431, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 12044431 in words is "twelve million, forty-four thousand, four hundred thirty-one".