12344431 has 16 divisors (see below), whose sum is σ = 14370048. Its totient is φ = 10480000.

The previous prime is 12344429. The next prime is 12344441. The reversal of 12344431 is 13444321.

It is a cyclic number.

It is not a de Polignac number, because 12344431 - 2¹ = 12344429 is a prime.

It is a super-2 number, since 2×12344431² = 304769953427522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12344411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46806 + ... + 47068.

It is an arithmetic number, because the mean of its divisors is an integer number (898128).

Almost surely, 2^12344431 is an apocalyptic number.

12344431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12344431 is a deficient number, since it is larger than the sum of its proper divisors (2025617).

12344431 is a wasteful number, since it uses less digits than its factorization.

12344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its digits is 1152, while the sum is 22.

The square root of 12344431 is about 3513.4642448729. The cubic root of 12344431 is about 231.1126366102.

Adding to 12344431 its reverse (13444321), we get a palindrome (25788752).

It can be divided in two parts, 1234 and 4431, that added together give a palindrome (5665).

The spelling of 12344431 in words is "twelve million, three hundred forty-four thousand, four hundred thirty-one".