12866061 has 8 divisors (see below), whose sum is σ = 18474400. Its totient is φ = 7917552.

The previous prime is 12866041. The next prime is 12866069. The reversal of 12866061 is 16066821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12866061 - 2⁶ = 12865997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164911 + ... + 164988.

It is an arithmetic number, because the mean of its divisors is an integer number (2309300).

Almost surely, 2^12866061 is an apocalyptic number.

It is an amenable number.

12866061 is a deficient number, since it is larger than the sum of its proper divisors (5608339).

12866061 is a wasteful number, since it uses less digits than its factorization.

12866061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329915.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 12866061 is about 3586.9291880381. The cubic root of 12866061 is about 234.3231527626.

The spelling of 12866061 in words is "twelve million, eight hundred sixty-six thousand, sixty-one".