11197801 has 2 divisors, whose sum is σ = 11197802. Its totient is φ = 11197800.

The previous prime is 11197793. The next prime is 11197807. The reversal of 11197801 is 10879111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 1212201 = 3160^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 11197801 - 2³ = 11197793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11197801.

It is not a weakly prime, because it can be changed into another prime (11197807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5598900 + 5598901.

It is an arithmetic number, because the mean of its divisors is an integer number (5598901).

Almost surely, 2^11197801 is an apocalyptic number.

It is an amenable number.

11197801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11197801 is an equidigital number, since it uses as much as digits as its factorization.

11197801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The square root of 11197801 is about 3346.3115515445. The cubic root of 11197801 is about 223.7231446187.

The spelling of 11197801 in words is "eleven million, one hundred ninety-seven thousand, eight hundred one".