13021366 has 8 divisors (see below), whose sum is σ = 19630800. Its totient is φ = 6477768.

The previous prime is 13021357. The next prime is 13021367. The reversal of 13021366 is 66312031.

13021366 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15961 + ... + 16756.

It is an arithmetic number, because the mean of its divisors is an integer number (2453850).

Almost surely, 2^13021366 is an apocalyptic number.

13021366 is a deficient number, since it is larger than the sum of its proper divisors (6609434).

13021366 is a wasteful number, since it uses less digits than its factorization.

13021366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32918.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13021366 is about 3608.5129901387. The cubic root of 13021366 is about 235.2622152311.

Adding to 13021366 its reverse (66312031), we get a palindrome (79333397).

The spelling of 13021366 in words is "thirteen million, twenty-one thousand, three hundred sixty-six".