13923211 has 8 divisors (see below), whose sum is σ = 14922144. Its totient is φ = 12957120.

The previous prime is 13923209. The next prime is 13923229. The reversal of 13923211 is 11232931.

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

It is a cyclic number.

It is not a de Polignac number, because 13923211 - 2¹ = 13923209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13923241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7330 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (1865268).

Almost surely, 2^13923211 is an apocalyptic number.

13923211 is a deficient number, since it is larger than the sum of its proper divisors (998933).

13923211 is a wasteful number, since it uses less digits than its factorization.

13923211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421.

The product of its digits is 324, while the sum is 22.

The square root of 13923211 is about 3731.3819155911. The cubic root of 13923211 is about 240.5727697060.

The spelling of 13923211 in words is "thirteen million, nine hundred twenty-three thousand, two hundred eleven".