12311672 has 16 divisors (see below), whose sum is σ = 24442560. Its totient is φ = 5793664.

The previous prime is 12311671. The next prime is 12311683. The reversal of 12311672 is 27611321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311671) 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, 45128 + ... + 45399.

It is an arithmetic number, because the mean of its divisors is an integer number (1527660).

Almost surely, 2^12311672 is an apocalyptic number.

It is an amenable number.

12311672 is a deficient number, since it is larger than the sum of its proper divisors (12130888).

12311672 is a wasteful number, since it uses less digits than its factorization.

12311672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90550 (or 90546 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 12311672 is about 3508.7992248061. The cubic root of 12311672 is about 230.9080173250.

Adding to 12311672 its reverse (27611321), we get a palindrome (39922993).

The spelling of 12311672 in words is "twelve million, three hundred eleven thousand, six hundred seventy-two".