11219513 has 2 divisors, whose sum is σ = 11219514. Its totient is φ = 11219512.

The previous prime is 11219477. The next prime is 11219521. The reversal of 11219513 is 31591211.

11219513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 2999824 = 2867^2 + 1732^2 .

It is a cyclic number.

It is not a de Polignac number, because 11219513 - 2¹⁰ = 11218489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11219573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5609756 + 5609757.

It is an arithmetic number, because the mean of its divisors is an integer number (5609757).

Almost surely, 2^11219513 is an apocalyptic number.

It is an amenable number.

11219513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11219513 is an equidigital number, since it uses as much as digits as its factorization.

11219513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270, while the sum is 23.

The square root of 11219513 is about 3349.5541494354. The cubic root of 11219513 is about 223.8676474195.

The spelling of 11219513 in words is "eleven million, two hundred nineteen thousand, five hundred thirteen".