12230992 has 20 divisors (see below), whose sum is σ = 23787540. Its totient is φ = 6092288.

The previous prime is 12230983. The next prime is 12230993. The reversal of 12230992 is 29903221.

It can be written as a sum of positive squares in 2 ways, for example, as 9217296 + 3013696 = 3036^2 + 1736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12230992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230993) 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, 3384 + ... + 5992.

It is an arithmetic number, because the mean of its divisors is an integer number (1189377).

Almost surely, 2^12230992 is an apocalyptic number.

It is an amenable number.

12230992 is a deficient number, since it is larger than the sum of its proper divisors (11556548).

12230992 is a wasteful number, since it uses less digits than its factorization.

12230992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12230992 is about 3497.2835172459. The cubic root of 12230992 is about 230.4025213523.

The spelling of 12230992 in words is "twelve million, two hundred thirty thousand, nine hundred ninety-two".