12953668 has 48 divisors (see below), whose sum is σ = 29384320. Its totient is φ = 4852224.

The previous prime is 12953659. The next prime is 12953701. The reversal of 12953668 is 86635921.

It is a self number, because there is not a number n which added to its sum of digits gives 12953668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5980 + ... + 7852.

Almost surely, 2^12953668 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 12953668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14692160).

12953668 is an abundant number, since it is smaller than the sum of its proper divisors (16430652).

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

12953668 is a wasteful number, since it uses less digits than its factorization.

12953668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1914 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 12953668 is about 3599.1204481095. The cubic root of 12953668 is about 234.8537976983.

The spelling of 12953668 in words is "twelve million, nine hundred fifty-three thousand, six hundred sixty-eight".