11199389 has 2 divisors, whose sum is σ = 11199390. Its totient is φ = 11199388.

The previous prime is 11199371. The next prime is 11199403. The reversal of 11199389 is 98399111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 2544025 = 2942^2 + 1595^2 .

It is a cyclic number.

It is not a de Polignac number, because 11199389 - 2¹² = 11195293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11199359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5599694 + 5599695.

It is an arithmetic number, because the mean of its divisors is an integer number (5599695).

Almost surely, 2^11199389 is an apocalyptic number.

It is an amenable number.

11199389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11199389 is an equidigital number, since it uses as much as digits as its factorization.

11199389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 41.

The square root of 11199389 is about 3346.5488193062. The cubic root of 11199389 is about 223.7337197772.

The spelling of 11199389 in words is "eleven million, one hundred ninety-nine thousand, three hundred eighty-nine".