21096193 has 8 divisors (see below), whose sum is σ = 21436128. Its totient is φ = 20758464.

The previous prime is 21096191. The next prime is 21096199. The reversal of 21096193 is 39169012.

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 21096193 - 2¹ = 21096191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21096191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35646 + ... + 36232.

It is an arithmetic number, because the mean of its divisors is an integer number (2679516).

Almost surely, 2^21096193 is an apocalyptic number.

It is an amenable number.

21096193 is a deficient number, since it is larger than the sum of its proper divisors (339935).

21096193 is an equidigital number, since it uses as much as digits as its factorization.

21096193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 21096193 is about 4593.0592201712. The cubic root of 21096193 is about 276.3130287584.

The spelling of 21096193 in words is "twenty-one million, ninety-six thousand, one hundred ninety-three".