11193997 has 2 divisors, whose sum is σ = 11193998. Its totient is φ = 11193996.

The previous prime is 11193991. The next prime is 11194013. The reversal of 11193997 is 79939111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9036036 + 2157961 = 3006^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 11193997 - 2³ = 11193989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11193991) 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 as a sum of consecutive naturals, namely, 5596998 + 5596999.

It is an arithmetic number, because the mean of its divisors is an integer number (5596999).

Almost surely, 2^11193997 is an apocalyptic number.

It is an amenable number.

11193997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11193997 is an equidigital number, since it uses as much as digits as its factorization.

11193997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 40.

The square root of 11193997 is about 3345.7431162598. The cubic root of 11193997 is about 223.6978081194.

The spelling of 11193997 in words is "eleven million, one hundred ninety-three thousand, nine hundred ninety-seven".