12234731 has 4 divisors (see below), whose sum is σ = 12243600. Its totient is φ = 12225864.

The previous prime is 12234697. The next prime is 12234757. The reversal of 12234731 is 13743221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12234731 - 2⁶ = 12234667 is a prime.

It is a super-4 number, since 4×12234731⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12234697 and 12234706.

It is not an unprimeable number, because it can be changed into a prime (12234631) 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, 1871 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (3060900).

Almost surely, 2^12234731 is an apocalyptic number.

12234731 is a deficient number, since it is larger than the sum of its proper divisors (8869).

12234731 is an equidigital number, since it uses as much as digits as its factorization.

12234731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its digits is 1008, while the sum is 23.

The square root of 12234731 is about 3497.8180341464. The cubic root of 12234731 is about 230.4259968877.

Adding to 12234731 its reverse (13743221), we get a palindrome (25977952).

The spelling of 12234731 in words is "twelve million, two hundred thirty-four thousand, seven hundred thirty-one".