12901668 has 48 divisors (see below), whose sum is σ = 32664576. Its totient is φ = 3939840.

The previous prime is 12901663. The next prime is 12901699. The reversal of 12901668 is 86610921.

It is not an unprimeable number, because it can be changed into a prime (12901663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29580 + ... + 30012.

It is an arithmetic number, because the mean of its divisors is an integer number (680512).

Almost surely, 2^12901668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12901668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16332288).

12901668 is an abundant number, since it is smaller than the sum of its proper divisors (19762908).

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

12901668 is a wasteful number, since it uses less digits than its factorization.

12901668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12901668 is about 3591.8891965093. The cubic root of 12901668 is about 234.5391178342.

The spelling of 12901668 in words is "twelve million, nine hundred one thousand, six hundred sixty-eight".