12390932 has 12 divisors (see below), whose sum is σ = 21708960. Its totient is φ = 6188376.

The previous prime is 12390929. The next prime is 12390949. The reversal of 12390932 is 23909321.

It is a junction number, because it is equal to n+sod(n) for n = 12390895 and 12390904.

It is a congruent number.

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, 5243 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (1809080).

Almost surely, 2^12390932 is an apocalyptic number.

It is an amenable number.

12390932 is a deficient number, since it is larger than the sum of its proper divisors (9318028).

12390932 is a wasteful number, since it uses less digits than its factorization.

12390932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 12390932 is about 3520.0755673707. The cubic root of 12390932 is about 231.4024704744.

The spelling of 12390932 in words is "twelve million, three hundred ninety thousand, nine hundred thirty-two".