13921233 has 8 divisors (see below), whose sum is σ = 19368768. Its totient is φ = 8877264.

The previous prime is 13921231. The next prime is 13921241. The reversal of 13921233 is 33212931.

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

It is not a de Polignac number, because 13921233 - 2¹ = 13921231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13921231) 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, 100810 + ... + 100947.

It is an arithmetic number, because the mean of its divisors is an integer number (2421096).

Almost surely, 2^13921233 is an apocalyptic number.

It is an amenable number.

13921233 is a deficient number, since it is larger than the sum of its proper divisors (5447535).

13921233 is a wasteful number, since it uses less digits than its factorization.

13921233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201783.

The product of its digits is 972, while the sum is 24.

The square root of 13921233 is about 3731.1168569210. The cubic root of 13921233 is about 240.5613768486.

The spelling of 13921233 in words is "thirteen million, nine hundred twenty-one thousand, two hundred thirty-three".