12866732 has 6 divisors (see below), whose sum is σ = 22516788. Its totient is φ = 6433364.

The previous prime is 12866719. The next prime is 12866741. The reversal of 12866732 is 23766821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12866692 and 12866701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608338 + ... + 1608345.

It is an arithmetic number, because the mean of its divisors is an integer number (3752798).

Almost surely, 2^12866732 is an apocalyptic number.

It is an amenable number.

12866732 is a deficient number, since it is larger than the sum of its proper divisors (9650056).

12866732 is a wasteful number, since it uses less digits than its factorization.

12866732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216687 (or 3216685 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 12866732 is about 3587.0227208648. The cubic root of 12866732 is about 234.3272262212.

The spelling of 12866732 in words is "twelve million, eight hundred sixty-six thousand, seven hundred thirty-two".