12939066 has 48 divisors (see below), whose sum is σ = 32383104. Its totient is φ = 3657312.

The previous prime is 12939061. The next prime is 12939077. The reversal of 12939066 is 66093921.

It is a self number, because there is not a number n which added to its sum of digits gives 12939066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12480 + ... + 13476.

It is an arithmetic number, because the mean of its divisors is an integer number (674648).

Almost surely, 2^12939066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12939066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16191552).

12939066 is an abundant number, since it is smaller than the sum of its proper divisors (19444038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12939066 is a wasteful number, since it uses less digits than its factorization.

12939066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 12939066 is about 3597.0913249458. The cubic root of 12939066 is about 234.7655183391.

The spelling of 12939066 in words is "twelve million, nine hundred thirty-nine thousand, sixty-six".