12305992 has 16 divisors (see below), whose sum is σ = 23136300. Its totient is φ = 6136320.

The previous prime is 12305987. The next prime is 12306001. The reversal of 12305992 is 29950321.

12305992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 568516 = 3426^2 + 754^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392 + ... + 5152.

Almost surely, 2^12305992 is an apocalyptic number.

It is an amenable number.

12305992 is a deficient number, since it is larger than the sum of its proper divisors (10830308).

12305992 is a wasteful number, since it uses less digits than its factorization.

12305992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 12305992 is about 3507.9897377273. The cubic root of 12305992 is about 230.8725019949.

The spelling of 12305992 in words is "twelve million, three hundred five thousand, nine hundred ninety-two".