12339861 has 8 divisors (see below), whose sum is σ = 16498080. Its totient is φ = 8204112.

The previous prime is 12339853. The next prime is 12339863. The reversal of 12339861 is 16893321.

12339861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12339861 - 2³ = 12339853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339863) 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, 4290 + ... + 6563.

It is an arithmetic number, because the mean of its divisors is an integer number (2062260).

Almost surely, 2^12339861 is an apocalyptic number.

It is an amenable number.

12339861 is a deficient number, since it is larger than the sum of its proper divisors (4158219).

12339861 is a wasteful number, since it uses less digits than its factorization.

12339861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235.

The product of its digits is 7776, while the sum is 33.

The square root of 12339861 is about 3512.8138293966. The cubic root of 12339861 is about 231.0841132188.

The spelling of 12339861 in words is "twelve million, three hundred thirty-nine thousand, eight hundred sixty-one".