12243992 has 16 divisors (see below), whose sum is σ = 23492040. Its totient is φ = 5979456.

The previous prime is 12243991. The next prime is 12244009. The reversal of 12243992 is 29934221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17453 + ... + 18140.

Almost surely, 2^12243992 is an apocalyptic number.

It is an amenable number.

12243992 is a deficient number, since it is larger than the sum of its proper divisors (11248048).

12243992 is a wasteful number, since it uses less digits than its factorization.

12243992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35642 (or 35638 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 12243992 is about 3499.1416090236. The cubic root of 12243992 is about 230.4841220439.

It can be divided in two parts, 12243 and 992, that multiplied together give a triangular number (12145056 = T₄₉₂₈).

The spelling of 12243992 in words is "twelve million, two hundred forty-three thousand, nine hundred ninety-two".