11197643 has 8 divisors (see below), whose sum is σ = 11674512. Its totient is φ = 10730016.

The previous prime is 11197621. The next prime is 11197649. The reversal of 11197643 is 34679111.

11197643 is digitally balanced in base 3, 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 cyclic number.

It is not a de Polignac number, because 11197643 - 2⁶ = 11197579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11197649) 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, 221 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (1459314).

Almost surely, 2^11197643 is an apocalyptic number.

11197643 is a deficient number, since it is larger than the sum of its proper divisors (476869).

11197643 is an equidigital number, since it uses as much as digits as its factorization.

11197643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621.

The product of its digits is 4536, while the sum is 32.

The square root of 11197643 is about 3346.2879433785. The cubic root of 11197643 is about 223.7220923757.

The spelling of 11197643 in words is "eleven million, one hundred ninety-seven thousand, six hundred forty-three".