13891322 has 8 divisors (see below), whose sum is σ = 21321696. Its totient is φ = 6784092.

The previous prime is 13891303. The next prime is 13891327. The reversal of 13891322 is 22319831.

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

It is not an unprimeable number, because it can be changed into a prime (13891327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80678 + ... + 80849.

It is an arithmetic number, because the mean of its divisors is an integer number (2665212).

Almost surely, 2^13891322 is an apocalyptic number.

13891322 is a deficient number, since it is larger than the sum of its proper divisors (7430374).

13891322 is a wasteful number, since it uses less digits than its factorization.

13891322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161572.

The product of its digits is 2592, while the sum is 29.

The square root of 13891322 is about 3727.1063843148. The cubic root of 13891322 is about 240.3889641788.

The spelling of 13891322 in words is "thirteen million, eight hundred ninety-one thousand, three hundred twenty-two".