11219389 has 2 divisors, whose sum is σ = 11219390. Its totient is φ = 11219388.

The previous prime is 11219339. The next prime is 11219393. The reversal of 11219389 is 98391211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 4884100 = 2517^2 + 2210^2 .

It is an emirp because it is prime and its reverse (98391211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11219389 - 2¹⁵ = 11186621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11219309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609694 + 5609695.

It is an arithmetic number, because the mean of its divisors is an integer number (5609695).

Almost surely, 2^11219389 is an apocalyptic number.

It is an amenable number.

11219389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11219389 is an equidigital number, since it uses as much as digits as its factorization.

11219389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 34.

The square root of 11219389 is about 3349.5356394581. The cubic root of 11219389 is about 223.8668226751.

The spelling of 11219389 in words is "eleven million, two hundred nineteen thousand, three hundred eighty-nine".